I am considering one for my 250 gallon pond, what are your experiences with them. I was going to use this and fill it with media and spray water over it.
http://www.lowes.com/ProductDisplay...gId=10051&cmRelshp=sim&rel=nofollow&cId=PDIO1
http://www.lowes.com/ProductDisplay...gId=10051&cmRelshp=sim&rel=nofollow&cId=PDIO1