OASE Hel-X 13 Biomedia 25 l (moving filter bed) Algae scraper Unlike many other test kits

Unlike many other test kits

This extremely valuable blend has been enriched with marine roe

This reduces the pH and can lead to sudden fluctuations

The AquaClear 20 Power Filter features a unique multi-stage filtration system that provides complete mechanical

and nitrites

OASE Hel-X 13 Biomedia 25 l (moving filter bed) Algae scraper Unlike many other test kitsCharacteristic: The hel x 13 biomedia for the Bio master 250, 350, or 600 includes a replacement biomedia allotment Includes a large surface area across this Suspending media form which is ideal for biological filtration Allotments contains 0. 3 Gallons of biomedia 13% extra surface area then previous Hel X Replace your biomedia only when completing a complete Tank restart as to not disturb the beneficial biological load Gives rapid breakdown of food