punktkomma This time I’m going to grow a Mephisto 505 Headbanger. I’m really excited about it and have wanted to run her for a long time, but something always came up.
On top of that I’ll be running a Speedrun strain, Granite Haze F7. I’ve honestly heard nothing but great things about both strains.
I hope they work well together. I know some Mephisto strains can be a bit sensitive when it comes to feeding, and Speedrun is supposed to be hungry as hell 😂 we’ll see how it goes.
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Used method
Other
Germination Method
1
Week 1. Vegetation
5mo ago
1/3
23 hrs
Light Schedule
24 °C
Day Air Temp
5.7
pH
No Smell
Smell
700 PPM
TDS
72 %
Air Humidity
17 °C
Solution Temp
20 °C
Substrate Temp
21 °C
Night Air Temp
8.5 l
Pot Size
0.2 l
Watering Volume
30 cm
Lamp Distance
Nutrients 4
MonosilicAcid
0.1 mll
CANNA Coco A
2 mll
CANNA Coco B
2 mll
punktkomma For the first time ever, I had a seed that didn’t germinate. 😐 So I had to start a second Headbanger seed.
I can finally see the sprout now and will start counting days from today 👍 try to count the days for the whole tent, not for individual plants, otherwise you’ll go a bit crazy haha.
Since the Granite Haze is already around day 2, I’m starting a bit early for the 505 and just going with a good average. Hope so 😀
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2
Week 2. Vegetation
5mo ago
1/5
4 cm
Height
23 hrs
Light Schedule
26 °C
Day Air Temp
5.7
pH
No Smell
Smell
800 PPM
TDS
72 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
0.2 l
Watering Volume
35 cm
Lamp Distance
Nutrients 5
MonosilicAcid
0.1 mll
MgSul
0.2 mll
CANNA Coco A
2.6 mll
punktkomma The 505 Headbanger is still a bit behind at this point, but that’s to be expected due to the later germination.
She's developing well so far and looks healthy.
Right now the light is set to around 350 PPFD at 23 hours, which is already fairly intense, so I’ve increased the EC to about 1.6-1.7.
The Granite Haze feels like it could handle even more pushing, but I don’t want to completely kill the Headbanger 😄
I think finding the right balance in this run is going to be pretty interesting haha
EC1.7 | PH5.6-5.8 | VPD 0.6-0.9 | DLI 25-28
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3
Week 3. Vegetation
5mo ago
1/6
8 cm
Height
23 hrs
Light Schedule
26 °C
Day Air Temp
5.7
pH
No Smell
Smell
900 PPM
TDS
72 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
0.2 l
Watering Volume
35 cm
Lamp Distance
Nutrients 5
MonosilicAcid
0.1 mll
MgSul
0.2 mll
CANNA Coco A
2.6 mll
punktkomma WEEK 3 | DAY 18
The Headbanger is definitely the more sensitive one in this run and is kind of setting the limits right now.
She’s sharing the tent with a very aggressive Granite Haze, which makes things a bit tricky 😅
Because the Granite Haze is extremely hungry for both light and nutrients, I’m currently running a fairly high setup at EC 1.8–1.9 and around DLI 35.
That’s already pushing the Headbanger a bit too hard. She started showing clear signs of too much light, so I raised the Granite Haze by about 25 cm to take some pressure off the Headbanger.
I’m watching her closely and will see how she adapts over the next days. This run might end up being a balancing act between keeping the Headbanger happy while not holding the Granite Haze back too much…
PH5.7 | EC1.8 | DLI24 | VPD0.8-1
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4
Week 4. Vegetation
4mo ago
1/6
14 cm
Height
23 hrs
Light Schedule
25 °C
Day Air Temp
5.7
pH
No Smell
Smell
850 PPM
TDS
72 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
0.2 l
Watering Volume
35 cm
Lamp Distance
Nutrients 5
MonosilicAcid
0.01 mll
CANNA Coco A
2.6 mll
CANNA Coco B
2.6 mll
punktkomma WEEK 4 | DAY 24
The 505 Headbanger is still a bit behind and seems to be the limiting factor right now.
She’s not able to handle much more than EC 1.7–1.8 at the moment, so I can’t really push the feed any harder.
Normally I don’t touch autoflowers at all until after the stretch, but this time I tried something different.
Because the side branches weren’t really coming through due to the heavier feeding, I removed some of the big fan leaves that were shading them. 👻
I think things are moving in the right direction now. All the new growth looks fresh and healthy.
Hopefully she finally starts taking off, haha 😛😎
PH5.7 | EC1.7 | DLI35 | VPD0.9-1
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Used techniques
Defoliation
Technique
5
Week 5. Vegetation
4mo ago
1/8
24 cm
Height
23 hrs
Light Schedule
23 °C
Day Air Temp
5.6
pH
Weak
Smell
950 PPM
TDS
64 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
0.5 l
Watering Volume
35 cm
Lamp Distance
Nutrients 5
MonosilicAcid
0.01 mll
CANNA Coco A
3.1 mll
CANNA Coco B
3.1 mll
punktkomma WEEK 5 | DAY 31
The Headbanger has recovered and is developing pretty well now. She’s not in flower yet, so I guess I haven’t screwed it up so far, haha.
I was actually hoping she would stay a bit slimmer since the Granite Haze is getting fucking huge. But we’ll see how it goes 🙂
PH5.5 | EC1.9 | DLI55 | VPD0.9-1
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6
Week 6. Flowering
4mo ago
1/6
38 cm
Height
23 hrs
Light Schedule
23 °C
Day Air Temp
5.6
pH
Weak
Smell
950 PPM
TDS
62 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
1 l
Watering Volume
35 cm
Lamp Distance
Nutrients 6
MonosilicAcid
0.01 mll
Mag/Sul
0.2 mll
CANNA Coco A
2.6 mll
punktkomma WEEK 6 | DAY 38
The 505 Headbanger has branched out quite a bit.
Haha, I actually thought she might stay a bit slimmer and stretch to the same height, but I guess not💀👽
She’s finally gained some height over the last few days though, and I think she’s transitioning into flower now 😎
She's still being shaded a bit by the gigantic Granite Haze, but I think that’s actually a good thing since she’s been a little more sensitive 😃
She’s handling the nutrients quite well...no signs of burn so far
PH5.7 | EC1.9 | DLI35 | VPD0.9-1
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7
Week 7. Flowering
4mo ago
1/6
58 cm
Height
23 hrs
Light Schedule
23 °C
Day Air Temp
5.6
pH
Normal
Smell
1000 PPM
TDS
62 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
3 l
Watering Volume
55 cm
Lamp Distance
Nutrients 5
MonosilicAcid
0.01 mll
Mag/Sul
0.3 mll
CANNA Coco A
3 mll
punktkomma WEEK 7 | DAY 44
The Headbanger is stretching pretty hard now and hopefully she keeps going a bit longer. 😅
Over the last 8 days she’s basically doubled in height. She’s slowly starting to smell too, but it’s not very defined yet 😁
Her branches are a bit lanky and soft... 👹 maybe because they haven’t been getting much airflow down there haha.
I added a bit of silica, maybe that’ll help. 👻
PH5.6 | EC2 | DLI45 | VPD0.9-1.1
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8
Week 8. Flowering
4mo ago
1/5
85 cm
Height
23 hrs
Light Schedule
23 °C
Day Air Temp
5.8
pH
Normal
Smell
1000 PPM
TDS
59 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
3 l
Watering Volume
25 cm
Lamp Distance
Nutrients 5
MonosilicAcid
0.01 mll
CANNA Coco A
3 mll
CANNA Coco B
3 mll
punktkomma WEEK 8 | DAY 51
The 505 Headbanger stretched quite a bit over the last week and has now caught up to the Granite Haze in height.
Her branches are still pretty thin, but I feel like it’s been improving since she’s been getting more airflow and I did a bit of defoliation
She’s definitely not going to finish within 80 days haha, but we’ll see.
As for the smell, I can’t really say much right now... the Granite Haze is so strong that nothing else is coming through. 😄
PH5.8 | EC2 | DLI65 | VPD0.9-1.1
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9
Week 9. Flowering
3mo ago
1/5
95 cm
Height
23 hrs
Light Schedule
26 °C
Day Air Temp
5.8
pH
Normal
Smell
1000 PPM
TDS
59 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
3 l
Watering Volume
25 cm
Lamp Distance
Nutrients 5
MonosilicAcid
0.01 mll
CANNA Coco A
3 mll
CANNA Coco B
3 mll
punktkomma WEEK 9 | DAY 58
The 505 Headbanger is still moving along steadily. She’s clearly more sensitive when it comes to nutrients, so dialing things back now should actually play in her favor.
I’ve started noticing some early signs of salt buildup in the pots, and since the Headbanger was always a bit sensitive to heavier feeding, I’m adjusting things in her favor now. From the next watering on, I’ll completely remove CalMag, reduce the A/B base nutrients, and slowly phase out the PK.
The goal is to bring EC down into the 1.5–1.6 range and see if that helps her finish strong without stressing her further. She never really loved the higher EC anyway 😅
PH 5.8 | EC 2.0 | DLI 70 | VPD 1.0–1.3
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11
Week 11. Flowering
3mo ago
1/6
95 cm
Height
23 hrs
Light Schedule
25 °C
Day Air Temp
6.0
pH
Normal
Smell
750 PPM
TDS
52 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
3 l
Watering Volume
25 cm
Lamp Distance
Nutrients 2
CANNA Coco A
2 mll
CANNA Coco B
2 mll
punktkomma WEEK 11 | DAY 72
I forgot to post an update last week, but honestly it doesn’t matter much since not a lot happened anyway. She’s just doing her thing and slowly growing along. 👻
The bud structure is unfortunately pretty underwhelming so far, and the smell… well, I’d describe it as slightly sour cucumber water or something like that. No idea how Sour Diesel is supposed to smell, but this stuff just smells kinda weird haha 💩💀
She’ll probably still need quite some time. So far I’m not very impressed with the 505, but I hope the smoke turns out good, otherwise this one was just kinda disappointing.
PH 6 | EC 1.5 | DLI 70 | VPD 1.0–1.3
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12
Week 12. Flowering
3mo ago
1/5
95 cm
Height
23 hrs
Light Schedule
25 °C
Day Air Temp
6.0
pH
Normal
Smell
750 PPM
TDS
52 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
2 l
Watering Volume
25 cm
Lamp Distance
Nutrients 2
CANNA Coco A
2.5 mll
CANNA Coco B
2.5 mll
punktkomma WEEK 12 | DAY 79
Since I partially harvested the Granite Haze a few days ago, I’ve been able to give the Headbanger a bit more space and dial the light down slightly.
I’m hoping that helps to improve the bud structure a bit. I mean, the tops are long and chunky, but not very dense so far. 👽
The smell has also shifted... the lemony, chemical cleaner type scent is starting to dominate over that weird cucumber water note, so I hope it keeps going in that direction. 😇😊
I think I’ll give her another 14 days max 💀👽
PH 6 | EC 1.5 | DLI 88 | VPD 1.0–1.3
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13
Week 13. Flowering
2mo ago
1/6
95 cm
Height
23 hrs
Light Schedule
22 °C
Day Air Temp
6.0
pH
Normal
Smell
650 PPM
TDS
40 %
Air Humidity
18 °C
Solution Temp
20 °C
Substrate Temp
22 °C
Night Air Temp
8.5 l
Pot Size
2 l
Watering Volume
25 cm
Lamp Distance
Nutrients 2
CANNA Coco A
2.5 mll
CANNA Coco B
2.5 mll
punktkomma I originally planned to harvest the 505 this month, but since the Granite Haze took three rounds, my drying box is full again for the next week 💀👽😍
While taking some pictures for the diary today, I noticed that the Headbanger has actually put on quite a bit of mass over the last few days and is looking more pretty overall.
Still a bit lanky and the buds aren’t super dense yet, but visually she’s definitely improving 👿😎
The smell is still pretty subtle, kind of lemony/chemical. Maybe it’s actually a good thing to let her go for another week haha
Decent plant so far, but not without issues. Growth was a bit lanky overall and the bud structure didn’t turn out as dense as I’d hoped.
She also took her time to finish. Terpwise it stayed pretty mild during the grow... some lemony/chemical notes, but nothing too exciting.
Just harvested, so final judgment is still open. I’ll update this once it’s dried and cured if the smoke turns out better than expected.
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Spent 86 days
Ger Veg Flo Har
971 g
Bud wet weight per plant
175 g
Bud dry weight per plant
1
Plants
0.36 m²
Grow Room size
Normal
Difficulty
Relaxed, Hungry, Happy
Positive effects
Stress, Anxiety, Depression
Medical effects
Diesel, Woody, Herbs
Taste
Sleepy
Energy
Indica
Hybrid
Sativa
Height
Day air temperature
Air humidity
PPM
PH
Light schedule
Solution temperature
Night air temperature
Substrate temperature
Pot size
Lamp distance
1/10
punktkomma The Headbanger was harvested today on day 92 and yielded 971g wet. I don’t expect a huge dry yield though since the buds are pretty fluffy.
Not a big deal either way, I only keep around 50g for myself and the rest gets tossed anyway.
She did turn out quite nice in the last few days though, especially with the fade 👽😻 Also covered in a ton of big, sandy trichomes, so I’m hoping she smokes well enough to make me forget how much she annoyed me during the grow haha.
Some of the lower buds even got a bit confused from all the repositioning during the wobbly arms 😄 and basically developed 360° foxtailing... they didn’t really know which way was up anymore or something
I’ll update after drying. See you soon 😇😊
Update: Yeah, I’m only keeping 3-4 buds. Could be I got a bad bad pheno, or maybe it just suffered from being shaded... either way, the quality isn’t really there. The terps remind me a bit of the stuff from those EU GMP medical farms. The effect is definitely strong, but still not really my kind of smoke.
Echt schön zu sehen wie sehr die Headbanger im Vergleich doch aufgeholt hat. Geiler Strain. Der Start ist etwas anspruchsvoll, aber dann geht es richtig vorwärts.
@SpliffyRand, ja ich dachte schon, dass die noch ganz gut aufholen wird. Aber so bin ich wirklich sehr zufrieden mit ihr. Also so als Pflanze find ich sie ein bisschen hässlich, aber habe mir eben mal ein paar Diaries angeguckt und eigentlich war die überall ähnlich hässlich haha. Aber du meinst es lohnt sich? Hab mir deine mal angeguckt und bin jetzt etwas beruhigt dass meine vielleicht keine 100 tage braucht haha. Viele Grüße
@punktkomma, Ich mag das Endprodukt sehr - das ist auf keinen Fall hässlich. Giftgrüne Knollen. Die Wuchsform finde ich auch relativ praktisch, da man kaum einen Grund für LST hat. Deine wird noch etwas länger brauchen als meine, aber du wirst sie unter 90 Tagen hinkriegen. Mein Ziel sind 74 Tage, aber maximal 84.
@Grow_for_Happiness, yeah I think she might have lost a few days because she was a bit overwhelmed early on. But she’s still not in flower yet, so it’s really more of a delay than actually lost time, haha 😄
Silicate is gonna help her big time maintain structure. Good product choice with the mono-silicic acid. She looks ready to go soon, I gave mine too little light and water - watch out 😄
Edit: watch out to lower silicate again during bulking phase. But you may already know that.
In meinem letzten Grow war die 505 neben den anderen Strains anfangs auch immer etwas zurückliegend. In meinem aktuellen Grow verhält sich sich gleich. Abwarten, sie wird ab Woche 3-4 abgehen. Weiterhin viel Spaß und Erfolg!
Good read on the 505HB! I finished drying mine and I can only tell you .. as long as trichomes permit, keep her going. She is really loving you back for those last weeks