55 Gallon Sand Filter
sand/gravel or media/bio 55 gal filter?,i need help in deciding if i should make a 55 gallon up-flow filter out of either media and bio balls or sand and gravel? i already bought a roll of .best filter for 55 gallon fish tank 2021,it can suck up sand or gravel and make a rattling sound. user experience: this filter is perfect for water polishing and works without noise to keep my tank super- .diy 30 gal barrel/drum filter,here is the filter i made out of a 30 gal pickle barrel. if its a sand filter you can replace the sand with gravel or bio-balls. post a pic i would love to do a moving bed 55 gal drum filter for the pond whenever i make a i have one client with a 500 gallon waterfall filter that has bags and bags of the stuff in it..5. best pond practices filtration design in a desert koi pond,the yard had limited space, so two 55-gallon drum upflow sand and gravel filters are hidden inside the waterfall near the back corner of the .