ok question time
how do i calculate the gph on my over flow.
im basically going to be running 2 of these.they will be 1 inch pvp each. and i know i dont need 2 but its back up just incase one loses siphon.
YouTube - My DIY marine aquarium
but im not sure how to calculate the gph of each one
how do i calculate the gph on my over flow.
im basically going to be running 2 of these.they will be 1 inch pvp each. and i know i dont need 2 but its back up just incase one loses siphon.
YouTube - My DIY marine aquarium
but im not sure how to calculate the gph of each one