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Hi I am new to using bottom feeding systems last night I checked the ph of my reservoir and it was at 6.5 and I’m in coco so I downed the reservoir to 5.9 approximately 18 hours later I check again and it’s back at 6.4-6.5 and in the trays 6.9. I have downed to 5.5 now as I read that’s what the...

Hi could someone with a greater knowledge than mine please give me their two cents on what these marks on the leaves mean?

Hi I am using the mars hydro fc 6500 evo light and I am in week 3-4 of veg in a 5x5 tent I know PPFD should be around 400 but I don’t have any light meters do you guys know any info on what height and dimmer setting I should have my light at for optimal growth during the whole grow? I would...

Hi I am fairly new to growing and my leaves do have a nitrogen toxicity I know that can people give me advice on best ways to eliminate n toxicity. I am using advanced nutrients for the veg the veg coco an and b , cal mag, b52, piranha and tasty terpenes. 1ml/L for the a and b, 1ml/L of cal mag...