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The Color Changing RGB model shifts between red
Their immune systems will strengthen
They also feature a ceramic impeller shaft that is wear-proof for higher performance and a longer operational lifespan
UltraClear Digester is also 100% safe for aquatic life as well as any livestock or pets that may come into contact with the treated water
These filter mats can be cut to fit just about any pond filter equipment
Ultra Black Filter Mat - 1.25" Thick, Coarse | 9 Sizes Size:28 in. x 10' The Color Changing RGB modelGreen Vista's Ultra Black Coarse Filter Media is ideal for catching small and large particles of debris in ponds, water gardens, waterfalls and other water features. It is essential for any koi pond or water garden bio filter system and is also effective for aquarium, aquaponics, or hydroponics filtration systems. This black mat's coarse density allows good, beneficial bacteria to colonize, grow and thereby break down toxic Ammonia and Nitrite in