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What kind of pump would one use to power 12 jet sprayers or micro-sprinklers? I have a Beckett ~325GPH large fountain pump that doesn't seem to have enough pressure. Can anybody recommend a pump that is powerful enough to get a good spray from 12 or even 16 or these little jet sprayers? If...

Man it seems everything went perfectly for about two months and now all I have is problems. My plants' leaves are turning yellow, which doesn't seem all that abnormal, but today is seems they've advanced further into yellowness than is usual for one day. Also there is some purple coming on a...

What is this stuff? I noticed a bit of it last time I changed the res, but this time there is a ton. It's only been a week since I changed it, and I change it every week. Here's everything I've ever put in there GH grow, micro, bloom koolbloom liquid and powder floralicious bloom sweet...

What is the weird white thing growing here? The plants are on day 31 of flowering and this is the first I have seen this thing.

During the first few weeks of 12/12, it seemed I was replacing about 2 gallons per day in the res, and now (day 29 of flowering) they only seem to drink about 1 gallon per day. Is this weird? Also, for a while it seemed like quite a task to keep the pH in check, I was having to adjust it...

I was out last night and had forgotten I had a second light on in my room. I got home about exactly one hour after the main light went off and shut off the second. Is this gonna hurt my girls? They are on day 26 of flowering.

Been reading here for a couple months now but haven't had a real reason to post until now. I have a DIY hydro system with 6 plants in it that are on day 24 of flowering. One of them is looking really bad, while the rest are fine. The leaves are drooping badly, it looks as though it isn't...