Thanky.

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Get a harvest every 2 weeks - A batch of clones in rockwool - Al B. Gone

I missed that query.

Aside from light weight and low cost, Fytocell has a very high air content- it's about 60% air. It is a resin based foam material which has been crumbled. It behaves a lot like crumbled foam rubber. It holds a bit of water, a good bit more than pellets, meaning there is a backup supply of water in case of a water pump failure. However, Fytocell does not hold quite as much water as does rockwool.

The high air content is a bit of a drawback because pots of the stuff can float, though high air content also means you can flood it a lot more often than you can rockwool. I used to stuff my pots with plain RW floc, but it could only be flooded 1x/day. Fytocell can be flooded 3x/day or even more with large, mature plants.

I do still tightly pack about 25-50mm of RW floc in the bottom of each pot. When wetted, the RW floc weights the pots down enough that they don't float. The floc also allows water to flow in and out of the pot while keeping the Fytocell crumbs from escaping.

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Get a harvest every 2 weeks - A batch of clones in rockwool - Al B. Gone

hi mr fuct,
i have a question about municipal water. you said...

"There's just no need for RO or other heroically filtered water. Chlorine is the indoor grower's friend, suppressing pathogens in rez tanks for a couple of days until the chlorine evaporates. After then, you must use an anti-microbial agent like H2O2 to keep your nutrient soup from being a friendly home to pathogens. Minerals like calcium and magnesium found in tapwater are essential micronutrients, which if they were not in the water would need to be added anyway."


i was wondering if i should fill my res and wait 24hrs to evaporate the chlorine or is that even neccessary? based on your quote it seems like i wouldnt even need to do the above step? thanks again for all your insight!!

You've answered your own question.

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Get a harvest every 2 weeks - A batch of clones in rockwool - Al B. Gone

subscribed...and I am sure I will have some questions for ya Al....

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I don't grow..I just lieCheck my journal
http://www.rollitup.org/grow-journal...l-journal.html

just bein nosey

hey al i have a sog going right now with about 40 plants. some of the bigger ones are starting to branch out. should i just let them grow or should i cut the branches? there almost in there second week and they are about a foot and a half tall.

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2000w Purple Kush 106 Plant Ebb and Flow SOG
Don't take life too seriously cause you'll never get out of it alive...
If this post helped you or was informative +rep me...

Cut those branches. Remove all branching on the lower 1/3 of the mainstem, remove pretty much anything which is over an inch long. Do it again in wk3.

Sounds good. As long as they were not given any veg time post setting root and your temps are right, they will stop gaining vertical height and sending out long branches in wk4. Ought to stop veg growth entirely with their finishing height at wk8 being about what it is in wk4, about 1m tall in most cases.

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Get a harvest every 2 weeks - A batch of clones in rockwool - Al B. Gone

hi al,
one more question: do i need to check the ph everyday after its in the rez? or can i just check it once after nutes are mixed and not have to worry about it until a fresh batch of nutes are mixed in 2 weeks? thanks!!!!

If there's no root diseases in the system and you are not using rockwool, I see no reason to check it all that frequently.

pH will obviously rise if you add 7.0-8.something tapwater to a 5.8 tank, so be prepared to check & correct if you have to top up.

Other than that, checking every few days may reveal problems you didn't know you had. I would not correct down unless pH wanders above 6.3.

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Get a harvest every 2 weeks - A batch of clones in rockwool - Al B. Gone