why do you have to use pea gravel. i believe my installers did not use the gravel , but just used the glass media???thanks in advance I believe pea gravel is used to ensure the stability of the media base...
Pool filtration can be a complicated business. There are cartridge filters, diatomaceous earth filters and sand filters. The most common difference, the one people usually know about is the size of particles they are able to filter out of the...
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