I hope someone can help me with a filter and water flor rate question. I am pumping water from a pond into two 6 gallon barrel filters (radial flow and one filled with filter material), from there the water is fed by gravity back into the pond. The issue...gravity cannot keep up with the input. I would like to ideally place some form of pump into the second filter - which drains back to the pond - to increase flow back to the pond. As a band aid I am throttling the input pipe to reduce flow but with some VERY cold nights coming up I would like to ramp up flow to prevent freezing. The question I guess is...what is the best solution here? I suspect the pump would need to have some ability to reduce flow to match the input to the filters? or, a low water cut off switch inbuilt? Or is there some solution I just haven't thought of?
Any suggestions welcome
Paul
Any suggestions welcome
Paul