pumps

was wondering what option you guys would think would be best and most quiet? I plan on having 8 50gal totes and want to pump around 250-400 gph into each res with 4 stones in each res while keeping noise and electric consumption to a minimum my question: should i get 8 4-outlet pumps (254...

I've been using some of this product lately. I use a feed system with a rez and pumps. The bone meal seems be really make a mess of my res, pumps, and feeder lines. It will turn to a cement like material and is almost impossible to get off the res walls. Anyone else have this problem and any...

4x8 tent with 4x8 tray My drip system so far is, 55 Gal.tank 1/2HP sub. pump (to) 6 ft garden hose (to) 20PSI pressure reg. (to) in-line filter (to) 8ft of drip system hose with 27 1/4" one to two foot long drip line's At this point just 1/4" hoses to plants with no emitters 1)...