airstone

Hey everyone, I need to buy an Airstone for my 15 gallon tropical community tank (not planted). Are there any particular ones I should look for? Thanks.

Hey everyone, My airstone won't stay under the gravel I place on top of it. I bury it, but in a few hours, it's only halfway buried, and by the next day, it's on top of the gravel. I have plenty of slack in the tubing, so I don't think that's the problem, but I could be mistaken. If you know of...

I only have one question and it's a simple one...... I hope. I'm wanting to set up a reef tank with reef safe fish. I'm almost ready to start purchasing live rock and such. My question is, would putting an 18 inch airstone at the bottom do any type of damage to rock or fish?

Hello. I reciently got an airstone setup for my 10 gallon tank. It has an air pump recommended for 5-15 gallons and an airstone strip about 4-6" long maybe. The current inhabitants of this tank (soon to upgrade!) 2 Lemon Tetras, 2 Swordtail (1 fry, 1 adult), and 1 abino (bronze) corydoras. It...