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Aeroponic Cloning > DWC of White Shark

3
10
25
639
6 years ago
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3
Indoor
Room Type
LST
weeks Technique
HST
weeks Technique
SoG
weeks Technique
Topping
weeks Technique
Defoliation
weeks Technique
50 l
Pot Size
Grow Conditions
Week 3
Vegetation
7.62
cm
inch
Height
18 hrs
Light Schedule
13+ conditions after
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Nutrients
ml/l
ml/gal
tsp/gal
Mantis Buffered Nutrients
5 ml/l
UC Roots - Current Culture H2O
UC Roots
0.5 mll
Commented by
Rangi_Kijani Rangi_Kijani
6 years ago
All cuttings rooted. Most within 7-9 days. I moved 17 over to a Producer (grow box/cabinet), by wrapping each root crown in a Root Riot plug, then feeding the roots through the net pot (most had roots >10" long), and carefully filling the pot with Growstones. They seem to be adjusting to the new environment pretty well. Even though they've gone from being under only 2 x 2' T5s to now under 2 x 400W MH, because of the difference in light distance from the plants (8" vs 39"), the lux being delivered to the plants is not drastically different. The DWC setup has stainless still coils (through which cold water is pumped as needed) to keep the temp at 68°F. Dissolved oxygen is maximized through use of an O2 Grow unit. A small pump gentle circulates the solution in the reservoir. A separate pump provides top-drip fertigation for 5 min, once per day. Reservoir is changed weekly. The air temp right now is ~78°, which is fine, but when it starts to rise in flower, I have a cooling radiator attached to the intake fan to keep temps as desired. I am only using Mantis Buffered Nutrients and UC Roots (to keep the rez sterile). Mantis is a product I recently began using and the plants seem to love it! It is also uber user friendly: completely buffered so no pH adjustments are required, and - very new to me - there is NO feed schedule. You feed 5 ml/L ALWAYS from seed to harvest. That produces an EC of ~1.0 (TDS = 500 on 500 scale). After the plants have settled in, I'll remove the ugly leaves and any undesired lower nodes.
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Philindicus
Philindicusweek 3
Nice feeder roots starting to come out. What does your water chiller set up look like? Love to see a couple of photos.
Philindicus
Philindicus
@Rangi_Kijani, Great , it's nice to see a bit of detail on peoples set ups even though I'm not doing hydro I like to educate myself as much as possible before jumping into something.
Rangi_Kijani
Rangi_Kijani
@Philindicus, I just uploaded 1 pic to Wk 3 of the "central cooling system". Basically, I have a 1/4 hp chiller that keeps a 50 gal cold water rez at about 45°F. I have many "zones" running out from, and back to, the cold water rez. Some are used to cool the box reservoirs. In those cases, I have stainless steel coils that the water flows through placed inside the reservoirs. An Inkbird controller monitors the rez temp, and when it rises to 69°F, it powers a solenoid valve that opens, allowing the cold water to flow through the coils. Once the rez temp gets back to 68, the solenoid valve closes. Similarly, I have PC Gaming radiators attached to the intake fans on the boxes. So, when the temp gets above the set value, a solenoid opens and cold water flows through the radiator cooling the intake air. To provide continuous pressure to the "zones" I use a Grundfos "smart pump" which increases/decreases pressure/head depending on the current demands of the zones (i.e., how many are open at any given time), and it actually "learns" the system so it becomes more efficient over time. I've got lots of pics of this setup (and how it has evolved through MUCH trial and even MORE error!) ... but not sure on Grow Diaries whether it's cool to deviate onto setup type posts, vs growing posts?? Maybe I should try one of the "questions" that I see available to me! Thanks very much for your interest!
Psilocubensis
Psilocubensisweek 4
How often the cooling system turns on to down the water temperature? Nice setup! I wish you luck!
Rangi_Kijani
Rangi_Kijani
@Psilocubensis,nutrient solution is maintained at 68°F +/- 1°F. The “cold” from the water inside coils is quickly transferred to and dissipated throughout the solution. Water conducts heat 20x faster than air. 😎
Psilocubensis
Psilocubensis
@Rangi_Kijani, is this temperature in the root zone? Doens't the cold damage it?
Rangi_Kijani
Rangi_Kijani
@Psilocubensis, F not C. Typo. Thx for pointing out 😎
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Black_Magic
Black_Magicweek 4
Did you tryout to let them flowering in aero system ? Is it possible?
Black_Magic
Black_Magic
@Rangi_Kijani,I did try it but didn’t go well, with water mister
Rangi_Kijani
Rangi_Kijani
@Black_Magic,the aero Cloner doesn’t have room for either the vegetative or root growth. After 2 wks in the Cloner (after cutting from the mom) space is already getting tight! It’s a very cool idea though. Actually this grow box is designed with a “bubbleponics” system in that it is DWC but the airstones create a spritzing of the roots that are in the air - between the net pot and the water surface - mKing it similar also to aeroponics. In my setup, I’ve ditched the air stones in favour of the O2 Grow electrolysis unit and I keep my water level <1” below the pots.
freshwaterjellyfish
freshwaterjellyfishweek 4
That's a nice system. Are those plain rocks in place of lava rock?
Rangi_Kijani
Rangi_Kijani
@freshwaterjellyfish,TYVM. Those are Growstones (GS-1) which are made from recycled glass. They suggest that they have better properties re water/air balance than hydroton 🤷‍♂️🏻 But they seem to work well and certainly less issues with overwatering than could be the case with Rockwool imo
Wicked_Stix
Wicked_Stixweek 3
They are looking great! Like the setup
Rangi_Kijani
Rangi_Kijani
@Wicked_Stix,thx very much 😎
Wicked_Stix
Wicked_Stixweek 1
Nice setup. Interested in seeing fast they root. Good luck!
Rangi_Kijani
Rangi_Kijaniweek 4
Added a few more pics to Wk 4 Veg after I installed a net over them. They’ve almost all been topped now.
Rangi_Kijani
Rangi_Kijaniweek 4
Just added a quick panning video to Wk 4 Veg. I was struck this morning at lights on how much they had grown over the past 24 hrs. Even that 1 in the front (2nd from right) that has been slow to drop roots and looks a bit rough up top is almost there.should have roots in the water by tomorrow. Finally. Lol. 😎
Rangi_Kijani
Rangi_Kijaniweek 2
Day 10. 16/24 have rooted. I only need 17 (max) plants for this crop, so it’s fine in that respect, but a bit puzzled why I didn’t get 100% as I have over the past year. Hmmmm.
Rangi_Kijani
Rangi_Kijaniweek 1
Well, I’m a bit stumped. End of Day 7 and not even Root nubs have formed. Over the past year, I’ve had 100% rooting within 8-9 days. Differences with this round: - clones taken from a new mother plant (a daughter of the mother I used for cloning for a year) - used Mantis Nutrients vs my typical mix With Clonex - Clonex rooting gel was unopened, but at end of BB date. Seemed ok, but a bit thin. - Cloner is in tent vs grow box (although almost identical temp/Rh etc). Hmmmmm.
Rangi_Kijani
Rangi_Kijaniweek 1
Added a video @ 2 days. Rez running @ 75-76°F. Tent is 77°F/25%RH lights on and 70°F/45%RH lights off. 18/6.
Rangi_Kijani
Rangi_Kijaniweek 1
Took 24 cuttings this morning. Running MANTIS Buffered Nutrients @ the singular rate of 5 ml/L (seed to harvest) with UC Roots @ 1.5 ml/L to kept the Rez sterile.