Posted by Jason B. on December 08, 2006 at 20:33:34:
In Reply to: non-electric pumps to oxygenate pond in tub posted byCheryl Silver on November 13, 2006 at 00:28:34:
all plants to some degree oxygenate the water. water plants do not need extra air pumped into the tank. gambusia are super hardy and I'll give you as many as you want.