I have some 30 gallon tanks with 1" bottom drains. I'm thinking about getting the reducer in the link below but the inside looks like it was cast by a pre-schooler in their sandbox.
Any reason to be concerned with how rough the inside looks?
http://www.ebay.com/itm/304-STAINLE...308?pt=LH_DefaultDomain_0&hash=item3ccb7d5c94
Any reason to be concerned with how rough the inside looks?
http://www.ebay.com/itm/304-STAINLE...308?pt=LH_DefaultDomain_0&hash=item3ccb7d5c94