Coquilles d’huître pour bassin - 5KG par sac POSE_DANS LE SOL Set de filtration gravitaire complet

Set de filtration gravitaire complet incluant filtre ultraviolet et pompe de filtration

before and after each dosage

Algisin is a powerful and precise solution against filamentous algae: within a few days

When the lid is open

40 Guarantee Years 2 Overflowing width mm 600 Suction side connection mm 25 Suction side connection 1"

Coquilles d’huître pour bassin - 5KG par sac POSE_DANS LE SOL Set de filtration gravitaire completOyster shells help to maintain good GH+ and KH+ values. These oyster shells have a stabilizing effect on the KH and PH values. KH indicates the carbonate hardness of the water. Many people think that if their tap water is harder, it won't cause problems for the KH and pH of the water. KH works a bit like a buffer for the acidity (pH) of the water. Fish, plants and the biological filter "consume" the water hardness (KH). If the water is not changed