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@Capulator: Thank you very much for your clarification, as always your contribution is golden Thanks again

Hi guys, can someone help me understand this passage from Mel Frank's book? (see attachment) Does it suggest to cut down N and to double K ratio at high temp/strong light (and the contrary at low temp/weaker light)? Since english is not my first language i'm a little confused with "up to twice...

Hey Fresh Starts. I've been reading a lot about nutrient formulation and i think i've found a suitable formula for my water. The main issue with CaCO3 is that it raises water alkalinity (pH) so i have to work with acid to lower the pH. So thanks to Alkcalc i know the ppm of N i add to the...

Hey guys thanks for the quick reply. Sorry i forgot to mention that i had already planned to start with 1/3 solution strength in the initial stage (rooted clones) then gradually rising solution strength to 1/2 and then trying to find the upper limit. I've been running a low pressure aero system...

Hi all guys, i joined this forum only for this thread and I’d really like to thank all the experienced growers who contributed in this. My system is a low pressure aero using SOG and I have used GHE (I’m from Europe) lucas formula with little result until I found out about fatman’s thread and...