Need help with Nutrient Reservoirs.

[TintEastwood]

Heres a 8watt unit that should not produce much heat.
I always buy a spare.

https://www.amazon.com/gp/aw/d/B07QQX9C9H/ref=sspa_mw_detail_1?ie=UTF8&psc=1

Amazon.com : Winkeyes 160GPH Fountain Pump with 48" Lift, 8W Small Submersible Fountain Water Pump for Outdoor Indoor Tabletop Water Fountain, Aquarium, Fish Tank, Hydroponic, Pond, 6ft Power Cord, 2 Nozzles : Pet Supplies

Amazon.com : Winkeyes 160GPH Fountain Pump with 48" Lift, 8W Small Submersible Fountain Water Pump for Outdoor Indoor Tabletop Water Fountain, Aquarium, Fish Tank, Hydroponic, Pond, 6ft Power Cord, 2 Nozzles : Pet Supplies

www.amazon.com

 

[Rasta Roy]

hey guys! commercial setup here, i have two 165 gallon reservoirs nutrient/ro water setup. the environment is c02 enriched. trying to figure out the best method of keeping the water Aerated. I know air pumps/stones, Venturi effect, vortex..etc. would love to see what you guys have worked up and give me some ideas? im at the point of just slapping in air stones and calling it good. i just want what is best! thanks!

The key thing you want to do is maintain a water temperature between 65 and 68 degrees so that the water will hold the oxygen. Anything airstones, vortex, or similar type thing is going to raise your water temp. You don't need all the bubbles and wild water movement. Something just slightly breaking the surface tension of the water is enough. I reccomend getting a water chiller and a small pump. Just feed the hose just above the water on the side of the rez so it's constantly breaking the surface of the water. And you can use the chiller to maintain a constant water temperature.

 

[Nafydad420]

The key thing you want to do is maintain a water temperature between 65 and 68 degrees so that the water will hold the oxygen. Anything airstones, vortex, or similar type thing is going to raise your water temp. You don't need all the bubbles and wild water movement. Something just slightly breaking the surface tension of the water is enough. I reccomend getting a water chiller and a small pump. Just feed the hose just above the water on the side of the rez so it's constantly breaking the surface of the water. And you can use the chiller to maintain a constant water temperature.

the problem i have with chillers is the copper coils, this over a short period of time, seeps into your water. also very slight difference in 02 PPM in 68 degrees and 75 degrees. its inconsequential. (unless you are in hydroponics)

 

[Rasta Roy]

the problem i have with chillers is the copper coils, this over a short period of time, seeps into your water. also very slight difference in 02 PPM in 68 degrees and 75 degrees. its inconsequential. (unless you are in hydroponics)

The copper issue isn't anything I've seen personally. But I can definitely understand that being a concern. My company uses chillers and our products go through state tests for human consumption and we haven't had any issues with heavy metals; copper or other. You shouldn't let your water get over 68 degrees there won't be oxygen in the water available for your girls.

 

[Nafydad420]

The copper issue isn't anything I've seen personally. But I can definitely understand that being a concern. My company uses chillers and our products go through state tests for human consumption and we haven't had any issues with heavy metals; copper or other. You shouldn't let your water get over 68 degrees there won't be oxygen in the water available for your girls.

are you using the chillers for your nutrient solution or for plain water?

 

[Rasta Roy]

are you using the chillers for your nutrient solution or for plain water?

The chillers are for the fertilized solution. R/O filters fill up a 1,000 gallon storage rez; that rez fills up a 250 gallon rez where fertilizers are mixed in if necessary. The chiller keeps the water at 65 degrees in case it goes up a couple degrees while running through the irrigation pumps. Those chillers do get nasty as hell if you run any hydrolysate or organic fertilizers. We clean them frequently and pretty thoroughly.

 

[Nafydad420]

The chillers are for the fertilized solution. R/O filters fill up a 1,000 gallon storage rez; that rez fills up a 250 gallon rez where fertilizers are mixed in if necessary. The chiller keeps the water at 65 degrees in case it goes up a couple degrees while running through the irrigation pumps. Those chillers do get nasty as hell if you run any hydrolysate or organic fertilizers. We clean them frequently and pretty thoroughly.

what are you using in that 250 gallon tank to keep water movement? solid setup there boss.

 

[Rasta Roy]

what are you using in that 250 gallon tank to keep water movement? solid setup there boss.

A small pump pulls water out of the rez and into the chiller, then a hose from the chiller is fixed to the rez just above the water so that the water is breaking the surface of the rez when it comes out of the hose. That's all you need. We used to do air stones and all this other stuff to "add more oxygen" into the water. Our company hired a plant pathologist to come in and tell us where we could improve amongst other things but one of his first comments was about how all those type of pumps are often raising the temperature of the water which lowers the oxygen present and the best way to maintain high water oxygen levels is too simply keep the temperature exactly where it needs to be and to just make sure the surface tension of the water is being broken even if just ever so slightly.

 

[Mr_Manny_D]

A small pump pulls water out of the rez and into the chiller, then a hose from the chiller is fixed to the rez just above the water so that the water is breaking the surface of the rez when it comes out of the hose. That's all you need. We used to do air stones and all this other stuff to "add more oxygen" into the water. Our company hired a plant pathologist to come in and tell us where we could improve amongst other things but one of his first comments was about how all those type of pumps are often raising the temperature of the water which lowers the oxygen present and the best way to maintain high water oxygen levels is too simply keep the temperature exactly where it needs to be and to just make sure the surface tension of the water is being broken even if just ever so slightly.