oxygen

I just went and picked up a medical oxygen tank for bagging and shipping fish. They were super cheap so I picked up the other figuring some people here may need them especially at the price I paid. If you are selling fish they are a must have. The tanks were $30 each and the...

Hello all, have for sale used oxygen tank with gauge and attachment. Tank need to be refilled. Best offer for the oxygen tank. Various sizes used hydro sponge filters $40 for the lot of filters only. Thanks, Gerard

Anyone use this? I bought and installed one recently. Basically, it takes the place of a spray bar. It channels the water output through a narrow channel, so that the water comes out with fairly high force. It also has an airline attached, so that air is sucked into the filter output (using...

I think my discus tank has low level of dissolved oxygen. All my fish in the tank breathes pretty rapidly. They always have. The temp in the summer is around 85 ~86 and now it's around 82. I have one airstone and three canister filters (Rena XP4, Fluval FX5, and 405) in the tank. Anyone has...