sayembara AC Members Dec 13, 2005 36 0 0 Jan 6, 2006 #11 IMHO, if you use the smallest cannister (eg Eheim classic) for your 20 gallon tank, you don't have to wash that filter for at least 1 year. Again, it is a little pricey but would be great if you plan to get bigger tank.
IMHO, if you use the smallest cannister (eg Eheim classic) for your 20 gallon tank, you don't have to wash that filter for at least 1 year. Again, it is a little pricey but would be great if you plan to get bigger tank.
