Aqua Ultraviolet® Ultra Bio-Media by Aqua Ultraviolet (Not OEM for Ultima II Filters) Size:225 Pounds BULK waste build-up and excess food

waste build-up and excess food and breaks down dead algae

or after an upset such as severe overfeeding

Item Dimensions* Cushion for Twin Mission Daybed 75"L x 39"W x 4"H Cushion for Full Mission Daybed 75"L x 54"W x 4"H *Cushions may vary from nominal dimensions by up to 3/4"L

leaf debris and excess nutrients that cause poor water quality

Aqua Ultraviolet® Ultra Bio-Media by Aqua Ultraviolet (Not OEM for Ultima II Filters) Size:225 Pounds BULK waste build-up and excess foodNote: Media that comes with Ultima II filters is in 12lb boxes, so replacing with Ultra Bio Media should be done by total weight, not number of boxes Ultra Bio Media for the Aqua Ultraviolet Ultima II Filter is a patented, non wax based plastic media that comes pre seeded with natural bacteria so that it starts working within 2 4 weeks of installation, instead of industry standard 6 weeks! Its unique tubular design prevents clumping and gives it the