I need some help and here are the specifics: In week 5 of flowering, day 59 of this grow. 10 plants, Barney's Blue Cheese feminized. 6 of the 10 stayed compact, no stretch with 12/12 and are making nice buds. 4 stretched a lot, budding a bit slower and drink a lota water. The other 6 drink less which is interesting but presents a problem with feeding. I'm using Fox Farm soil and nutes - following their feeding schedule. I filter my tap water through a Brita filter - it is PH 7.5 and I adjust it down with PH down when watering. When feeding, I have to add a lota PH Up to the nute mix cause the FF stuff is pretty acid. Today I tested the run off from one of the plants that drinks less and it showed a PH of 5.66. Can I assume that the soil for all 10 has acidified? Should I water next time with water that has been PH upped a bit? Since the FF people advise feeding with every other watering, I may need to think of theese ladies as 2 different groups since they are consuming water at different rates making it impossible to water/feed them all on the same schedule. I mix the FF nutes on the weak side, that is for 3 gallons of water, I put in their product fo a 2 gallon batch. Plants are looking good, am loosing some lower leaves and have a few burnt upper leaf tips from too close to lights. Lights are 8 T5 four foot tubes and 4 42 W Cfls for fill in.

Thanks,
H

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H. Hopper

Reading a lot on this site I decided to quit the FF nutes which I think are too aggressive - at least weekly feeding seems too much for me right now. I am also not adjusting my water down from pH slightly above 7.1 - just leaving it alone. Gonna start Neptune's Harvest Fish/Seaweed blend which seems a good balance of N-P-K when next feed rolls around. Lesson learned for me is let the plants tell me what they need. Very easy to over do it. Couple of pictures attached

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H. Hopper

FF soils are pretty rich in nutes. You shouldn't have to feed for a few weeks after transplanting into their soils. It sounds like you may have a bit of fertilizer salt buildup. Just use pH'd water for the next few waterings and don't start feeding again until your plants start showing signs of a deficiency. Cheers.

With soil run off around pH 5.5, I tought that watering with pH 7.0 or slightly higher might help with the soil's acidity?

Thanks,
H

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H. Hopper