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I'm cutting the fogponics experiment short. The rez temperature is unmanageable to me. It rose as high as 32 degC, and the only thing saving my plant up until now is that the roots have not reached the water yet. Even so, now that the leaves have developed a bit more, I see some deformity on the leaves developed during the last week. Can't be sure, but I suspect those were caused by the fogponics heat stress. We'll see.
I must say though, the root growth is the best I've seen, compared to just straight to DWC, with air bubbles penetrating the hydroton. Usually what I'd end up with is one single long root. Instead, there are multiple root hairs, and multiple long strands. I think for my next grow I'll rig up a kind of simple low pressure aeroponic setup within my current 36 gallon tote. Ideally I can switch between the aeroponics mode and DWC mode easily.
So I moved it to the final DWC rez. It's a huge 36 gallon tote, and I hope that this will give me the freedom to be out of town on extended periods without worry.
After a couple of days in the new tote, I also changed the light to my 600W Optic4 LED. Right now only the COBs are on. I will turn on the bloom boosters when the plant is bigger.
This week not much happened. Kate and Pippa are chugging along, growing roots, growing nodes.
Last week, kate is only just starting to develop it's 3-leafs node. This week it is starting to develop it's 5-leafs node.
As for Pippa, last week it was still developing its single leaf node. This week, it is in the middle of developing the 3-leafs node.
Now that they have had a few strands of roots, and are in the middle of DWC, I'm expecting good things. Nute concentration is currently at 500ppm, and grow light is 30" away. During this coming week, I will just maintain the nute concentration, but gradually lower the light to 24" distance.
Dear experts, could you help me ascertain whether the 4th and 5th picture on my Week4 diary is really heat stress? The only reason I think that is because of that slight cupping/curling of the leaf edges. Might there be other problems that could cause this?
Hi JKT48
I think you doing a amazing job so far.
It really looks like slight heat Stress Or Light stress but don't think anything to worry you.
You adjusted the lights all ready. So this should help.
Only interesting thing is heath stress on 22 C day temperature.
So possible slight light stress.
Some strains occasionally have a tendency towards curly leaves more than others or sometimes odd traits.
Hope this helps grow mate.
And good luck with your grow.
The buds aren't fat at all. Considering my tent is 1x1 meter (~3x3 ft), how much yield do you guys think I could expect? It's just fun to play the guessing game.
Well my room is 1m x half m and I can get anywhere from 9 oz to 15 oz. but your not giving your plants enough nutrients from what I can see bro. Basic flower nutrients will not give you big yields you need bud boosts ect.
Something to think about, I used tubs like that and it allowed too much light into the roots, almost lost a set to root rot because of it.. ended up cutting keyholes in a sheet or orca wrap for the plants and covered the tops.. maybe 1% light gets in now.. no more root issues
@JKT48,adding fulvic acid as well can help, I just don't like the smell of aquariums.. lol. I tried organic hydro, and couldn't keep the microbes happy without huge amounts of time and inputs.. I'm considering trying an outdoor hydro, buried pails, with an actively aerated compost tea solution as a grow media... We'll see how time allows..
hey there JKT , well based on my understanding often times the downward pointing curling is more due to root problems , looks like you might have some because you're not using a chelation agent. You really want to start using something to break down nutrients in your solution for example beneficial bacteria like hydroguard (BS, BBassiana ) or even humic acid (turns your water black!) or dilluted flushing agent. These will break down the problem roots (should be brownish instead of full white. You could always cut some roots off too : never more than 20%. I see some signs of N toxicity, with those "too dark" green leafs, plus the fact you're not using micro nutrients like cal mag explains the discoloration on the serraded edges of the leafs. You probalby should be aware of this because oyu need to add cal mag (also spray it on twice a week) and might need to switch up the feeding regimen heading into flower. Hope this helps ! 🚀
@CRiSPrGrow, hey thanks so much for the comment dude, sorry I didn't spot this earlier. Notification on growdiaries is not working so great for me. Anyways, yes, as per your suggestion, I've started adding humic acid (man that powder is an annoying mess if I get it on anything), as well as cal mag (by using calcium nitrate and epsom salt). I'm gonna start adding MKP as well (KH2PO4, the chemical for of most bud boosters).
Btw I love your diaries, I'm doing my first mushroom grow as well. The mycellium has almost fully collonized 4 of the 9 jars I injected spores with. The rest are kind of slow. Would love to talk with you about this when you get the chance.
@HiyaMaya, yes, I’ve been wanting to try this for a long time. And yes, I’ve heard about all the problems associated with it including the heat, but didn’t think it was to this extent.
I do put in nutes to 400ppm. I also saw that (as many have pointed out), the ultrasonic disc does get a deposit on it. Easily cleaned up with a soft toothbrush. But that is the kind of maintenance I don’t want to have to do.
I’ll have to think more about this system if I want to try this again.
+1 strain
Sunset Sherbet Automatic
Wedding cake x pound cake humboldt seed co
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