Brightline Glass Filter Media - 40 Pound Bag steps_5 Steps But they are safe to

But they are safe to use on new plaster pools

The Sta-Rite J Series pumps have drain ports that provides for easy winterizing

The shell of the board is heavy-duty and also x-ray translucent

This is a Jacuzzi SV skimmer basket in black

Brightline Glass Filter Media - 40 Pound Bag steps_5 Steps But they are safe toMade from 100% recycled materials, glass filter media cuts down on backwash time as well as loss of pool water and chemicals. Improves water clarity by 25% over sand. Filters down to 5 microns, unlike sand only 30 microns. Use 20% less media (by weight) than with sand. Environmentally sound and last 3 times longer than sand. Can be used with or without a pea gravel base (refer to your filter manufacturer's recommendations on media installation).