excellent product, great price.
February 11, 2012
I put the air hose at the back of my tank, and secured it
to the bottom with aquarium silicone and then covered it with the
bottom gravel to hide it. It makes a nice curtain of bubbles. I
also used this product with UGFilters, not under it, behind
Pros:Good Value, Effective, Durable, Easy to Use, Safe
Best Uses:Small Aquariums, Freshwater Tanks, Large Aquariums