I have one air pump on the bottom drain & 1 air pump on the moving bed bio chamber. Ive got another spare one in the shed for just in case
My system...
You can add redundancy against equipment failure to a single moving bed filter with dual independent air pumps (can both be on the same manifold) and...
So i am reallyyyy wanting a showa. Its markings dont have to be what some would call perfect. I rather seem to like the ones others dont lol but i am...