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So mixing exactly 8ml of micro and 16ml of bloom to every gallon of water would equate to roughly 1000ppm? So I'm correct in assuming that 25% strength = 250ppm and 50% = 500ppm etc.?

Hey guys. So I've noticed that the feeding schedule on the bottle for the standard Flora Trio is obviously a bit too intense for cannabis. I was wondering if there's any chart or feeding schedule that anyone has followed that provided great results. I'm familiar with Lucas Formula, what is the...

I didn't mean that I'd be flushing the rockwool. I just swapped out both totes with pH balanced water (no nutes) and I'm running it that way for 24 hours before switching to Flora Trio :-D The rockwool stays pretty dry. There's a 1-2 inch layer of hydroton underneath it so there's at least 3-4...

So switching nutes is gucci? It won't somehow confuse my plants and ruin them? Also, should I maybe flush for a whole day/night before I add the new nutes?

I think I want to swap nutes. I suspect that it is in fact the high Nitrogen ratio in the current nutrients that I'm using. Is it acceptable and safe to swap nutrients during a grow or is it too late? I'm thinking of switching to the Flora Trio.

Thanks for your input man. I will utilize the advice you've given me. Do you recommend I flush the res and set it at a lower ppm now or should I just leave it and let them acclimate?

I'm honestly still confused. I've gotten recommendations everywhere that seedlings of 8-10 days old can get at LEAST 250ppm of nutes and I'm only feeding them 200ppm yet they still show signs of burn and deforming. Hell, I've even heard of people successfully feeding their seedlings 400ppm of...

Absolutely sure yeah. They're not drinking much at all yet. The water level isn't visibly subsiding. The water temp usually remains fairly constant at 70-72. I have since moved the light a bit further away just to decrease the amount of heat at the root space, below the covers of the totes...

Also, they're not drinking much at all at the moment since they're so young so the EC remains fairly stable. Hasn't really decreased much at all. So, naturally, I never assumed that the amount of light would be a problem.

They've always seemed to handle the light just fine. I keep it far enough away initially, for the first 2 or 3 weeks of vegging. They've never really showed signs of heat stress or anything.

Word. I've been told to avoid rockwool. I don't like it one bit. It seems to cause some arbitrary pH fluctuations too. It was just the only "starter" medium available in my area and I was a bit skeptical about planting straight in hydroton (had fears of the seedling slipping through or something).

Goddamn, I can't believe that I specified everything except the lights that I'm using. I'm vegging with a 600w MH and flowering with a 600w HPS. The light is roughly 18 inches from the plants.

Yeah. In retrospect I should've probably done all this shit before I decided to grow again. Oh well, will make a plan.

Yeah yeah, I feel you but won't that reflect too much heat upwards into my leaves?

I've heard some bad things about aluminum foil, though; especially that it reflects too much heat. You sure it would be an optimal solution?

I stay in a pretty hot area. Summer days average between 80-86 degrees, so I do my best to keep the environment cool. Currently running an air conditioner in the tent set to 66. Manages quite well but obviously struggles to maintain the penetrative heat directly under the lights.

Thanks for the advice man. I literally just ran to cover up the rock wool. Will put some white coating on the top of the totes in a second. Do you mind elaborating on why a warm ambient temperature would cause or promote nutrient burn?

Hey guys. So I'm doing my second grow now and there's something odd occurring, that happened last grow too. My plants seem to be getting nute burn at low PPM's. They're currently 10 days old @ 220 ppm. The tap water is 120 ppm so that's 100ppm of nutes (~1/4 strength). The same thing happened...