M moh New Member Joined Nov 9, 2015 Messages 4 Reaction score 0 Location GB Nov 14, 2015 #1 Hi, can I use a one way return valves to block the biorb flow plastic tube that you connect the air stone to? If so, what size one way valve do I need? I plan on using sand and internal filter in my biorb flow tank.
Hi, can I use a one way return valves to block the biorb flow plastic tube that you connect the air stone to? If so, what size one way valve do I need? I plan on using sand and internal filter in my biorb flow tank.
