It took two ... 2 full hours to repot all 7 plants. I used an entire bag of Fox Farm Ocean Forest.... also sprinkled Mycorrhizal on each root system. The GG4 is really oing pretty good... I believe the tight node spacing means good things are in store. Super cropping continues. I gotta flip the whole lot of 7 plants...who cares .. first grow mistakes... fun!

These girls are starting off the week getting blasted by the Sun and heat. I had to increase the water dramatically. Pots are short and because the heat and lack of humidity they are having to be drenched. Day 2 of this week, I'm noticing some ph imbalance. I don't have ro water and my tap is 7.6 ph. I'm going to water today with 5.8 ph water and see if they green up. I also took down a tree that was shading that little one. That should speed up it's development. The 10 mph winds blew one of these over on day 1 this week. I'm propping it back up on day 2 and it should straighten out. End of day 3, everyone got some organic soil acidifier. They greened up nicely. The smallest plant this week had its new growth eaten. Ants, grasshopper, I've got a big question mark there, but she's still alive. The week finished nicely. Plants are finally getting into the super soil and taking off. The extreme heat has been tuff on them but fastbuds can handle it.

Good

Growing: 5 weeks Flowering: 9 weeks This was my first grow indoor from some time ago. First time using the Mars Hydro SP250. Was amazed at the result, did not expect it. Encountered a few problems, including Calmag deficiency and some bugs. Did not gave them water for 30 days after plantation to the big bags of 25L. Harvested all plants at the same time, which might have been too early for a few ladies. Nevertheless I enjoyed getting to know the lamp and hoping I will do better next round. The lamp was in this round not at max capacity but at 226w, it came like that out of the box and I did not adjust it. Also did zero defoliation which resulted in a lot of "Albino Tops" under the net, which I recovered to make butter and bubble hash from. Most of the buds above the net where really dense and not fluffy at all. End result: 320gr total, around 4x 70gr average from the 2x BB OG, 1x A.M.S. and 1x Jack, the Purple Bud gave around 40grams. Thanks for checking out my grow! Good luck growing!

Welcome to the Jungle! Purple Lemonade by Fast Heute startet endlich die 1.Blütewoche. Es sind 100 Mini Buds erschienen und ich warte jetzt mal 2 Wochen ab und entferne dann mal paar große Blätter. Hat sich in 1 Woche fast 15 cm gestretched. EC Wert lasse ich auf 2.2,den Ph Wert auf 6.0,6.2. Die Lampen muss ich morgen noch hoch hängen da die Pflanze jetzt 150 cm lang ist. Mal sehen wie sich die Buds entwickeln, hoffentlich keine 137 Mini Blüten.. Da die Pflanze in keinem Zelt steht und die Luftfeuchtigkeit bei 50% liegt erwarte ich eigentlich keinen Schimmel. Und mal sehen wie Purple sie wird..

Great run with little effort definitely shows its name in smell and taste

LSD × Zamnesia — Week 6 From Seed (Week 2 of Flower / Early Pre-Flower) Quick recap for anyone just joining We’re at Week 6 from seed, which we’re counting as Week 2 of flower. Plants were grown 12/12 from seed, with only leaf tucking and very light bending, no topping, no hard training, no defoliation so far. The goal with this run is maximum natural expression of the genetics, not shape enforcement. This week marks the transition into pre-flower: stretch is active, structure is being decided, and the plants are still very much setting their architecture. ⸻ Room & Environmental Conditions (Stabilized This Week) After some fluctuations earlier, conditions are now much more stable, and the plants are clearly responding well. • Temperature: ~27.5 °C • Humidity: ~65% • CO₂: ~900 ppm • PPFD: ~600–850 • Smaller plants: ~600–700 • Taller plants: up to ~800–850 • Plants are managing light by growing into the photons naturally • Nutrients: • Switched from Plagron Terra Grow → Terra Bloom • Following the Plagron feeding schedule • This was the only change made • Watering: • pH: 6.5 • EC: 2.4 • Root / Reservoir Temperature: • ~17 °C (a bit on the cold side, acknowledged) • Plants are adapting well and showing no negative response so far ⸻ Plant Observations — LSD × Zamnesia Honestly… these girls look outstanding. Even though LSD is often described as a more indica-leaning hybrid, these plants are expressing a strong sativa-style structure: • Tall, upright growth • Dominant central main stem • Side branches present, but clearly secondary • Very uniform behavior across all plants → strong genetic consistency Each plant is showing roughly 12–14 nodes, with: • Lower branches well developed • Side branches about half the size of the main stem • No signs that side branches want to overtake the main cola This is important: 👉 this is not a training issue and not a phenotype split All seeds are behaving the same way, which tells us this is genetic expression, not grower influence. ⸻ Training & Defoliation — Why We’re Doing Nothing There has been: • ❌ No topping • ❌ No hard training • ❌ No defoliation Only: • ✔️ Leaf tucking • ✔️ Very light bending when needed Why? Because at this stage, we want to: • Let the plants decide their final structure • Observe whether this genetic wants: • One dominant main cola • With several secondary colas supported by under-canopy lighting This run is about listening, not forcing. And with under-canopy lights active, even those secondary branches are getting meaningful light, which should pay off later. ⸻ Where We Are Right Now • Plants are still in pre-flower • Stretch is ongoing • Bud sites are forming, but structure is not finished • Each plant is moving at its own rhythm, which is exactly what we want to see This week is about stability, not intervention. ⸻ What to Expect Next Week (Week 3 Flower) Here’s what’s likely coming: • Stretch will continue, possibly peak • Clearer confirmation of: • Dominant main cola behavior • Final spacing between nodes • Pre-flowers will become more defined • Still no rush to defoliate unless airflow becomes an issue • Feeding stays consistent—no chasing, no stacking products Next week is about watching, not reacting. ⸻ Final Thoughts This marks a clean, confident Week 6 / Week 2 Flower checkpoint. Environment is stable, nutrition is dialed, and the plants are clearly happy expressing themselves. FOR DISCOUNT CODES AND MORE JUST FOLLOW THE LINK https://website.beacons.ai/dogdoctorofficial 📲 Don’t forget to Subscribe and follow me on Instagram and YouTube @DogDoctorOfficial for exclusive content, real-time updates, and behind-the-scenes magic. We’ve got so much more coming, including transplanting and all the amazing techniques that go along with it. You won’t want to miss it.GrowDiaries Journal: https://growdiaries.com/grower/dogdoctorofficial Instagram: https://www.instagram.com/dogdoctorofficial/ YouTube: https://www.youtube.com/@dogdoctorofficial ⸻ Explore the Gear that Powers My Grow If you’re curious about the tech I’m using, check out these links: 🔆 Lighting & Environmental Control • Future of Grow — Advanced LED lighting technology https://www.futureofgrow.com/ DISCOUNT CODE: DOG20 • Lumiflora — Under-canopy LED lighting https://lumiflorade.com/ • TrollMaster — Environmental controllers and automation gear (past collaboration) ⸻ Genetics • Zamnesia Seeds — Genetics used in this project https://www.zamnesia.com/ ⸻ 🌱 Soil, Substrates, Boosters & Root Support • Plagron — Substrates, bio mixes, and supportive products https://plagron.com/en/ ⸻ 🎒 Storage, Curing & Preservation • Grove Bags — Curing and storage solutions https://grovebags.com/ ⸻ 📸 Photography Equipment & Tools (Not sponsors, but part of my creative toolkit) • Sony A6700 • Sony full-frame macro lens + few more • Stacking photography workflow - learning • iPhone (for behind-the-scenes shots) We’ve got much more coming as we move through the grow cycles. Trust me, you won’t want to miss the next steps, let’s push the boundaries of indoor horticulture together! As always, this is shared for educational purposes, aiming to spread understanding and appreciation for this plant. Let’s celebrate it responsibly and continue to learn and grow together. With true love comes happiness. Always believe in yourself, and always do things expecting nothing and with an open heart. Be a giver, and the universe will give back in ways you could never imagine. 💚 Growers love to all 💚 📸 P.S. – The Eye Behind the Lens All photos in this diary (for now — except for the ones showing the camera, which I took with an iPhone) are taken with a Sony A6700 paired with a Sony full-frame macro lens and a few more. Photography is part of the story — it’s how we share the fine textures, the glow, and the quiet details that words can’t always capture. I’ve also started experimenting with photo stacking — a technique where multiple images, each taken at a slightly different focus point, are layered together to create one perfectly sharp image from front to back. It’s not digital enhancement or AI; it’s pure photography — a way to reveal the plant’s beauty in microscopic depth, from trichome to petal. You’ll even see a few shots of "ghost me" capturing the shots — camera, lens, setup — because every grow deserves not just to be cultivated, but documented like art. FOR DISCOUNT CODES AND MORE JUST FOLLOW THE LINK https://website.beacons.ai/dogdoctorofficial NEW DISCORD - Official Server Invite Link : https://discord.gg/ksjAkA5T74

So week 5 n all well iv added a 300w full spectrum light as well as LED. All look healthy and a stretching little by little. Trimmed them all. And took clones.. Fingerscrossed they work.. Happy growing ppl.

Harvest is imminent! I'm basically just waiting for her to drink her last watering. So 1-3 days I guess - my last few "finished" plants basically stopped drinking much at the end, and she seems to be the same. But my last post was about a week ago so one more flowering week report! A few days ago I took off some of the brittle taco-ified fan leafs. My guess is they don't do much for photosynthesis anymore and just prevent lower growth from getting light. Upper leafs by now have turned a pretty violet/plum color! I put a leaf from another plant in the picture for comparison.😊 Structurally there is little change since last week. Smell is still incredible too! She is significantly more heavy and the stems seem to be losing the battle against gravity but as she's coming down in a few I'm not gonna go wild with jojos or garden wire.

26.07 Moved the girls to 7l pots. About 5 l of medium coco/perlite 70/30. They will be rooting for a couple of days with gentle light around 400 ppfd. Co2 - 600-800ppm

Dia 67 desde germinacio.aqui muestro las 2 mas avanzadas.comparando cultivos de bsf Arg. Con Bsf España. LLEGO A LA.CONCLUSION QUE A NOS NOS TRATAN DE SUDACAS Y NOS MANDAN SEMAS DE CALIDAD MEDIA.PROX CULTIVOS CAMBIO E BANCO¡

ALMOST TIME. TOOK A PEEK AT THE GERMINATING SEEDS AND SOME ARE POPPING OPEN. PROBABLY TOMORROW APRIL 23RD I WILL START PUTTING SOME IN THE SOIL👍 FOR EVERYTHING MARS HYDRO VISIT: www.mars-hydro.com www.marshydroled.ca PROMO CODE: rocknroll VISIT THE ALIEXPRESS STORE: @marshydro_aliexpress Instagram: @marshydropenny https://youtube.com/channel/UChU5ZWwNi-DvnO3oWVU3ceA Thanks for taking the time to read and check out my diary🤜🤛 FC-E6500 LED GROW LIGHT: FC-E6500 grow light with 3978pcs OSRAM BridgeLux Diodes & Moso Driver, market-leading PPF 2.7 µmol/J, Max 2.5g yield/watt with 30% higher Average PPE, more cost-effective when compared to same style type lights. Only consumes 650W, perfectly cover 5x5ft (personal), 4x4ft (commercial) grow space. Innovative Precise Uniform Lighting-Built-in removable bars interval & dimmability enable the exact & dynamic PPFD control over each of the plant growing stages, FC-E6500 detachable bars deliverSuperior Heat Dissipation: Real Aluminum heatsink together with 6 slim profile passive cooled bars (THINNER & LARGER surface) and detachable Meanwell Driver, create less heat. save 50% hydro than other old grow lights! Driver can be mounted remotely on the side of a grow tent/rack or on an adjacent wall to remove heat from grow space. Full Spectrum UV IR LED: With Yield Max spectrum (660nm Osram enhanced Deep Red,2800k-5000k,730-740nm IR,380-410nm UV LEDs), Average PPFD the FC-E6500 LED grow lamp enables cultivators to produce BIG FAT Dense Buds, perfect for full-cycle hydroponic, soil, grow tent/grow room. Dimmable Commercial Grow Light: Cost-efficient, easy dimming & daisy chain With a max up to 20 lights, IP65 Waterproof, master light easily controls the rest. Perfect for commercial & home horticulture. FC4800 LED GROW LIGHT: GET THE MAX FROM MARS👍: Welcome one of  the newest members of the Mars Hydro family🤜🤛🤘. The Mars Hydro FC 4800 480W LED Grow Light can accommodate up to a 4' x 4' area for flowering. It has OVER 2000 LED chips consisting of the best selling Samsung LM301B diodes which has a Luminous Efficacy of: 220 lm/W 0.2 W, 3 V mid power, Osram 660nm Diodes, Infrared light and UV LIGHT👍. It boasts the incredible efficiency of 2.8 µmol/J, maximum 2.5gram yield per watt with 30% higher Average PPFD. This High-intensity spectrum is beneficial for plants at all stages - from veg to bloom, and creates Big dense Buds👍. achieve 50% higher yields & quality compared with the old lights! Only consumes 480W for 4x4ft personal grows, and 3x3ft for commerical grow. It comes with a dimmer and daisy chain function with a  maximum of up to 15 lights, the master light controls the rest👍. Wide 6-bar design offers even & wide canopy coverage and can maximizes your grow space. slim 180° FOLDABLE DESIGN... YES I SAID FOLDABLE🤘🤣 , making it compact and easy to install, it's IP65 WATERPROOF and will give you no worries while growing in a humid environment and makes it a flexible high performance commercial grow light for enormous  SUPER FROSTY yields.😛😛😛. MARS GETS EM FROSTY BOYS👍 AWESOME HEAT DISSIPATION: The Low energy consumption FC4800 growing light has 6 passive-cooled bars and an aluminum heat-sink a removable driver  you can upgrade later or have it outside your tent. with zero noise  you can save up to 50% in your electricity bill compared to HID's or HPS lights! It also has a removable driver so you can upgrade it in the future or have it outside your grow space for better heat control in your growroom👍 UPGRADED FULL SPECTRUM: Yield Max Spectrum with enhanced red (Top-Bin Samsung 3000k-5000knm, Osram 660nm Deep Red), speed up blooming & fruiting, perfectly suited for full-cycle growing. The FC4800 LED grow lamp was born for Big Buds, perfect for commercial, grow tent, grow room, hydroponics, and all soil grows.👍 THE BEST SAMSUNG DIODES: THE FC4800 has Top Bin genuine Samsung Osram Diodes, combined with remarkable 2.8 µmol/J Efficacy, 30% higher Average PPFD, 50% less energy consumption, to maximize your yields. They give you a TRUSTED 3 years warranty 100% Satisfactory guaranteed!!! TSW2000 LED GROW LIGHT: INCREASE YIELD AND CROP QUALITY WITH MARS HYDRO LED GROW LIGHTS: NEWEST SMD LED technology provides the highest PAR/LUMEN output (1122umol@18") and can make you get 30% higher yield compared to OLD blurple led lights.  Max 2.5g yield per wattage and achieve maximum quality and quantity, much better than traditional HPS grow systems LOW ENERGY CONSUMPTION LED GROW LIGHT: Consuming only 300W true output with 684 LEDS! It saves up to 50% energy than other led grow lights. Perfect for 3.5x3.5ft bloom stage, 4x4ft veg stage. Over 90% light energy can be absorbed by plants, it will have higher intensity in a MARS HYDRO grow tent with diamond design mylar, or by crossing over using multiple TSW2000 HIGH EFFICIENCY FULL SPECTRUM INDOOR GROW: 3000K 5000K and IR 660nm 760nm RED, makes it close to natural light, highly engineered to provide improved growing performance for plants at all stages of growing, rapid plant response from seed to flower; Uniform and wide-beam light distribution for your plant's optimal growth 8x8 1680D GROW TENT The MARS HYDRO 8x8 Grow Tent interior is made of a unique diamond design mylar which is highly reflective. (Other companies mylar and reflective rate is as low as 50%, and it won't provide efficient light. They use thick 1680D oxford canvas, and being double stitched, it is tear proof and perfect for locking in the light. Their grow tent keeps 100% of the light inside the tent and helps your plants absorb more light. EXTRA-THICK material means No light leaks or rips at all.👍 Strong Stable metal corner adapters and poles are the trustful supporters of the tent. It's very sturdy, neither rusting or paint flaking off. quick and easy tool-free setup. They use heavy-duty metal zippers, with double layer black lining, by far the best on the market which creates a light-proof seal. The Easy observation windows are made by double layers of cloth. Observe the growing conditions of your plants without opening the tent and avoid disturbing your plants. The observation windows also serves to dissipate heat and ventilate the air. The tent includes 2 removable waterproof floor trays to hold soil and water. The removable tray can be taken out to wash easily. They guarantee the grow tents are easy to install even if you've never done something like this before. Clear Instructions and no tools needed! They also offer 30-day unconditional refunds for quality problems. Just contact their friendly 24 hours customer service 👍

# VzH Farmz 👻

Week 10 - Second Week of Flowering 🌸 As week two of flowering begins, the garden’s growth is unstoppable! These ladies are thriving, stretching up while staying beautifully vibrant and green. Every inch of this tent is optimized—each plant is soaking up light, nutrients, and water precisely as they need, filling the room with energy. Room Conditions 🌡️ • Temperature: 27.3°C • Humidity: 62.6% • CO₂ Levels: 800 ppm • VPD: 1.36 kPa (excellent range for robust flowering) • Lighting Intensity: 818 PPFD Solution & Medium 💧 • Solution Temp: 21.5°C | TDS: 470 ppm | pH: 6.02 • Medium: Moisture 100% (recently dried to 67%), TDS 510 ppm, Temp 22.5°C The “dry-out” to 67% was a strategic move, helping boost nutrient uptake and root strength. Meanwhile, our slight increase in reds seems to be having the desired effect, nudging these ladies further along in the flowering process. Eye Safety & LED Lighting 🌞🕶️ With powerful LED systems like the ThinkGrow and ICL-300, eye protection is critical. LED grow lights emit high-intensity light across the full spectrum, including intense UV and infrared components that are not easily detected by the human eye. Long-term exposure without adequate protection can lead to eye strain, and in extreme cases, damage to vision. • Blue Light Hazard: LEDs often have elevated levels of blue light, which can harm the retina over time if proper precautions aren’t taken. • UV Protection: Even low doses of UV can accumulate and harm eyes, so grow glasses with UV protection are essential for any indoor gardener. Investing in quality grow room glasses can help protect from glare, UV, and infrared rays, making plant care safer and more comfortable. Lighting Enhancements: ICL-300 In-Depth 🔆 The ICL-300 is our newest addition, specifically designed for inner canopy illumination. This LED offers a targeted light boost under the canopy, enhancing flower growth in lower and shaded areas—ideal for maximizing yield and light efficiency. • Dual Spectrum Technology: The ICL-300 provides a custom spectrum designed to penetrate deeper into the plant canopy, promoting robust bud formation throughout. • Enhanced Light Distribution: With strategically positioned diodes, the ICL-300 reduces shadowing and balances light distribution to all parts of the plant. • Energy Efficiency & Heat Management: This light is designed to be energy-efficient, running cooler and reducing the risk of heat stress within the grow space. The inner canopy light gives the plants exactly what they need, particularly during the flower stage when bud sites deep in the canopy can benefit from more direct exposure. However, after noticing slight leaf burn on some plants, I’ll hold off a bit longer before fully integrating this light to ensure optimal adjustment. Looking Forward 🌟 As we continue dialing in conditions, it’s all about balance, precision, and taking proactive steps to optimize every aspect of the grow environment. We’ll keep a close watch on the canopy height, and next week, I’ll aim to fine-tune the light integration even further with the ICL-300. P.S. - ICL-300 and CO₂ Sensor 🌱 The TrolMaster CO₂ Sensor (MBS-S8) has been crucial for real-time CO₂ adjustments, ensuring the plants get exactly what they need without constant monitoring. Combined with the ICL-300’s spectrum flexibility, these tools make an unbeatable setup, allowing for nuanced control over plant growth and development. As always, a huge thanks to the Grow Fam for the tips, support, and enthusiasm! I’m excited to see what these next weeks will bring as these plants reach their full flowering potential. Stay tuned for more updates, and don’t forget: eye safety first, growers! 🌞🌿 Discount Codes so you can save big on your next check out 💚💚💚 Kannabia - DOGDOCTOR 30% off SeedsmanSeeds - DOGDOCTOR 10% off CannaKan- DOGDOCTOR 15% off terpyz.eu - DOCTOR 15% off The Neutralizer - PORKIT5-DOG 15% off As always thank you all for stopping by, for the love and for it all , this journey of mine wold just not be the same without you guys, the love and support is very much appreciated and i fell honored and so joyful with you all in my life 🙏
 With true love comes happiness 💚🙏 Always believe in your self and always do things expecting nothing and with an open heart , be a giver and the universe will give back to you in ways you could not even imagine so 💚 Friendly reminder all you see here is pure research and for educational purposes only Growers Love to you all 💚💚💚

Gorilla Jealousy F1 has gotten acclimated, and has started making growth progress. Her roots just found the solution. Everything is looking good. Hopefully she takes to the solution well, and takes off. Thank you Spider Farmer, and Seedsman. 🤜🏻🤛🏻🌱🌱🌱 Thank you grow diaries community for the 👇likes👇, follows, comments, and subscriptions on my YouTube channel👇. ❄️🌱🍻 https://www.seedsman.com/?a_aid=Mrsour420. This is my affiliate link to seedsman. Thank you Happy Growing 🌱🌱🌱 https://youtube.com/channel/UCAhN7yRzWLpcaRHhMIQ7X4g

28/04/2021 (Day 43) Se realizo un nuevo cambio de solución, las plantas ya están tirando pelos y los leds están al 80%, se observo un gran crecimiento radicular y las paredes del tallo son increíblemente gruesas y duras. 03/05/2021 (Day 48) Las plantas vienen con un crecimiento optimo pero la flora se está tardando demasiado en hacerse presente, se estima que es debido al estrés que tuvo en semana 3 de vege produjo un retraso de algunos días. Esta semana se incorpora Safe Roots al sistema con la finalidad de que deje la solución lo mas limpia posible. También se realizaron bastantes defoliaciones ya que no existía penetracion de luz teniendo en cuenta el tamaño que están ocupando (85% del espacio de cultivo a 30/35 cm de altura) 05/05/2021 (Day 50) Se realizo un nuevo cambio de solución, esta vez utilizando safe roots para limpiar todo el sistema hidroponico. 600w de Citizen a 30cm en 160x80 y la plantas parecieran que si les doy mas luz van a usarla, es increíble la tolerancia a la alta intensidad de ppfd que tienen, gracias a esto logramos subsanar esa semana de raíces marrones. La temperatura bajo drásticamente y nos dejó el indoor en unos 22 grados, donde todo marcha perfecto.

Nothing has realy happened since I cropped the royal cream....It is just hanging. Decided to do a dry trim so that it takes longer to dry due to the fact I am having to just use my cupboard so the humidity is pretty low. Leaving the leaves on just means It takes longer to dry. I am going to crop the Easy Bud in the next few days when the mood takes me. I had 4 left over R. Cream seeds left over because I informed them that. bought 2x 3 packs and only 2 seeds germinated so they sent me another packet which is REALLY good of them and the sort of thing that means I would definitely use Royal Queen Seeds again, for sure! The trich's are basically all cloudy with a few clear. I cant see any amber but my loupe is a ridiculously cheap Chinese piece of crap. I will invest in a microscope camera so I can hook it up to my phone or MacBook. It is way too hard to keep everything steady In order to see what is popping with my sexy trichomes. Obviously feeding has stopped for about a week now. I forgot to change it In the diary last week so will try and correct that now.. I know it is not strictly relevant but I had to go somewhere earlier and took a video because I was able o walk in the middle of a main road in my town which Is usually packed full of cars, especially at the time I was walking on it. It is a time that makes me even more glad I grow my own. I really need to buy the bigger tent, lights and re-locate to the bigger, more subtle cupboard (not the one i am using to dry my weed in the video I posted) and then I will be able to effectively ScrOG the 2 or 3 plants I have, in order to maximise yield so I can be totally self sufficient with regards to my cannabis medicine. UPDATE - MONDAY I just realised I have made a proper idiots mistake an missed out on some much tastier buds because of it. OK, so I got paid today, so I though I would treat myself to some of them cheap COB chips I used for my last grow because hey were super cheap and actually really effective considering the price. I ordered 2x 100w 6000k veg spectrum chips with a solderless connection for my power. I also ordered one of these heatsink + reflector. https://www.amazon.co.uk/gp/product/B01MT824NP/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1 My thinking was that I have a spare heatsink here that the old citizen CLU-048 is attached to so I was going to fit one of the chips into that and the other into the heatsink and fan I bought. This hought process lead me to go ad retrieve the old citizen LED and I thought I would try it. Still didn't work, then suddenly I thought it could be a simple blown fuse so I changed it aaaannnnd.....still doesn't work. doh! I started to remove the COB holder and COB from the heatsink (it was just glued to it using thermal compound) and when I laid it on the table I decided to test the driver without the COB holder on the tiny off chance it might work...nope I then realised maybe I got the + and - the wrong way round, tried again and boom works perfectly. The connection from the holder to the cob had bent slightly off contact. Really annoying that this whole time I could have doubled my photons to the plant, however, really nice that I don't have to spend a load more money on lighting in order to upgrade into the new room. So all I have to do now is spend money on a pre-drilled heatsink and a new metal COB holder for the citizen.