FSM Blue Tier VIP MFK Member Jan 1, 2008 5,261 9 367 Georgia Jan 6, 2010 #11 Play sand is very fine, so it is a lot more likely to end up in filters. If you have HOB filters, it will screw up the impeller if it gets sucked in. Canister filters or a sump are safer, because the pump is placed after the media, not before it.
Play sand is very fine, so it is a lot more likely to end up in filters. If you have HOB filters, it will screw up the impeller if it gets sucked in. Canister filters or a sump are safer, because the pump is placed after the media, not before it.