PROF XAVIER
Well-Known Member
Well I'm upgrading right now....gonna throw in a mazzei venturi after the inline filter and need to re-insulate the chamber. Should be ready soon.
Yeah I'm looking for something that can handle about 700-900 gph, I want this water really movin! Just like one of those aerators in lobster tanks!Here is some I'm looking at http://www.bigbrandwater.com/mazzei29.html
Well I do have my chiller in an external room so it should keep up with any excess heat from a pump...I'm not concerned about the extra electricity to run the chiller, as long as the water is plenty aerated. Also, with my set-up, I don't have much room to play with inside the chamber and since its all custom built, I don't want to reconfigure for a pump. My rez is 25 gallons so the heat differential may not be very significant. Hell, I'm not worried about an extra 10 bucks a month to run a chiller full time!I see what your up to prof wanting a submersible pump and the nozzle doing a recirculating system just keep in mind about heat transfer from that pump sitting in your reservoir. Really consider a regular pump not a submersible and get some bulk head fittings. Reason I say this is I run 3 external pumps running 24-7 with very little heat transfer to my reservoir. my reservoir holds 16 gallons without my chiller running my reservoir temperature stays at room temperature. A danner 950 pump gets very warm to hot running not very long. I use two 950s for topping off and water changes and use them externally.
After testing nutrient run off from my tubes PPMs are only 150-200 very little nutrient waste.this was tested with timer set for minimum spray to get this reading longer spray times equal higher PPMs run off. Bottom line I agree with drain to waste being over kill....and yes a waste....My system is recirculating, with fresh change outs every 7-9 days. With an inline filter though, it keeps everything nice and clean. I thought about doing drain to waste, but the less waste you have, the shorter the feedings. Shorter feedings equals more root growth equals less top growth. If you can get precisely how much a plant needs at x amount of time with y being the variable for environment, then do drain to waste. I personally think the concept is more "waste" than anything because those nutrients can be recycled, but only for a week or so. As long as the water is pristine, filtered, and ph balanced, those nutes can last longer than just being "waste", saving you hard earned money shelling out for top grade pharmaceutical nutes.