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What I did when using the Fox Farm nutes is I cut everything on that chart in half and fed every other watering. And then just increased or decreased depending on how the plants were responding. This is using the Ocean Forest soil also.
I just started using the liquid karma recently so not sure how much it helps. But I've heard a lot of good things about the karma so I'm sure it will be a good supplement.
I am pretty sure they are marketing their product to our crop... their just not as blatant about it as AN. They have come full circle in recent years with the inorganics. They are trying to be more like AN I think. I've said this before on other threads: the best results I EVER had yield-wise was using 1 gallon pots of Fox Farm OF with a little extra perlite and 1 tablespoon per gallon added Fruit and Flower formulae. I fed half strength Hormex and Tiger Bloom through the entire grow, bottom feeding. Huge LifeSavers. Lovely even.
Been trying to duplicate that with my own soil mix ever since. Needless to say, I've switched back.
edit: I vegged under 6500k t-8s for about 3-4 weeks. 16 oz cups then on to the gallons.
The LK I feed at 3/4 strength but I suppose 1/2 would be just as fine, and let you go a bit longer without needing to buy more. It's kinda pricey, compared to the other FF nutes at least. And yeah every other watering, just mix it in with the other FF nutes.
iv made my own freed chart and added my own little goodies... got sum liquid gold,nutri boost,fish mix,liquid karma,and ofcores all the shit of the FF chart,
FF is the only fert iv used, it done the job and gave me sum quility bud,
I've used that schedule as a good guide line..but i tend to add to it..I substitute grow big with Botanicare instead.During bloom I'll use 2tsp tb,2-4tsp bb,and 4-6tsp liquid Budswel..per/gal. of water every other watering.That sounds like alot, but the big bloom and budswel are very weak..I've gone hotter in the past.On the non fert days I'll use 2tsp. karma and 2tsp Molasses or sweet(as of lately) and I usually alternate the karma and maxicrop..just for variety.Toward the end, I'll cut out Tiger and just use big bloom and molasses,and finally pure water till the chop.