B bigcat Member Aug 30, 2010 15 0 1 east yorkshire Sep 8, 2010 #1 which is best a external or a sump filtration system because i'm thinking of getting a new tank 400 to 500 l :dk: with thanks bigcat
which is best a external or a sump filtration system because i'm thinking of getting a new tank 400 to 500 l :dk: with thanks bigcat
scatz Retired Staff Apr 8, 2009 5,379 2 38 48 Devon, UK Sep 8, 2010 #2 for 400-500ltrs, i'd probably stick with a couple of big external, just because its easier, i guess a sump is best though as it adds to the volume of water
for 400-500ltrs, i'd probably stick with a couple of big external, just because its easier, i guess a sump is best though as it adds to the volume of water
