Q quix Candiru MFK Member May 20, 2005 205 0 46 Singapore Jan 7, 2006 #11 one common prob with FBF is that when power is off..sand may get clogged in the input pipe due to backdraw of water..u'll need a checkvalve at the intake side to prevent this..well-designed FBF such as rainbow lifegard has it..
one common prob with FBF is that when power is off..sand may get clogged in the input pipe due to backdraw of water..u'll need a checkvalve at the intake side to prevent this..well-designed FBF such as rainbow lifegard has it..