This helpful set of online calculators will allow you to quickly make those
unit conversions we all need to make from time to time.
Simply enter the number you wish to convert into the appropriate box
and then click calculate.
The results will then be calculated in all the boxes at once!
Filters that have not had water circulating through them for the winter should be cleaned well before turning the pump back on this spring. Cleaning will remove toxins that can develop from waste breaking down in the filter in the absence of oxygen. Once your filter is up and running, seed it with beneficial bacteria.