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I use hard tap water (pH 8.8, add pH down, and don't have any problems. Even w/ dH2o the pH has to be brought down a little as ~5.7 is the ideal. However, I'm thinking quite seriously about investing in a RO sys - for my plants and also for myself. Vic, which system are you using?

how long would be sufficient to let it sit? overnight? also, what do you mean by hard water nutrients? i'm using Advanced sensigrowA/B. thanks!

hey all, got a vigorously rooted clone in a 5 gal bucket (DWC) that i started w/ distilled h2o. the tap water in my place has a ph of 8.8. given that i lower it w/ph down, will it be all right to use? obviously, buying distilled h2o weekly would get really really expensive.. thanks for your...

What strength pumps are you using? I've got some babies who are about ready to be transplanted into a five gallon bucket and am thinking a pump designed for a 100 gallon tank should be sufficient. What do you guys think?

Hey Omega, Not quite sure what you mean. Say I'll use the 100L/H pump with the diffuser I already have. Will that be all right or since the pump has two outlets should I get another diffuser or airtsone? Thanks again!

Hey All, Setting up a DWC in a 5 gallon bucket and am wondering how much airflow will be sufficient? 100 L/H, 200 L/H? Any insight regarding pump strength or "bubbleponic" growing in general would be greatly appreciated!

Omega, I think you have resuscitated my hydro plans! There's a pet store in my town that sells the Tetra Whisper pumps so I'll pick one up and give it a shot! The Which model do you think would be appropriate for one 5 gallon bucket (12, 20, 40, 60, or 100)? What about two 5 gallon buckets...

Hey Omega, Here's a link to a description of the pump I currently have. eBay Express: Eco Plus - Commercial grade Air 1 pump 18 watts You're probably right about it being overkill. Could I expect substantially less noise, like almost inaudible, from a less powerful one? It would need to be...

Thanks for the advice guys. Looks like the venitilation won't be too challenging but the pump is so noisy that I think I'm gonna have to stick with dirt til I find a new place. It'll be much less maintenance I suppose, but I was really looking forward to giving hydro a shot. Maybe in my next place..

Hey all, Setting up a small grow (4 plants in a 5 gallon "bubble bucket") in my closet. Problem: the space between my floor and the ceiling of the neighbors living under me has very poor sound insulation. I conducted a two day test run of my whole system and learned that my pump (38...