Hydro-Anthracite Media N 0.6 – 1.6 mm 25kg
Aquacover
£52
Hydro-anthracite works as a physical filtration medium. It removes impurities from water mainly by straining and depth filtration, not by chemical reactions. Water flows through a deep, porous bed, water enters the filter and flows downward through a packed bed of hydro-anthracite grains . These grains are hard, irregular in shape and r elatively large compared to sand. This creates lots of void spaces between particles. Particles get trapped, as water moves through the bed larger particles get trapped near the top and smaller particles penetrate deeper and get caught further down. This is cal
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