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Fluval FX5 Filter Foam is designed for efficient mechanical filtration
Ingredients: Purified water
User-Friendly Design: Comes in three 100g pre-measured bags for simple installation and replacement
Natural fibres promoting good digestion
and a bistable thermostat ensuring an impressive ±0
Salifert KH and Alkalinity Profi Test Kit - 5188 10-20 Fluval FX5 Filter Foam isCalcium is not the only substance needed to form the skeletal material of corals and allow calcareous algae to grow. Carbonate and bicarbonate are also needed and these two substances can have a major effect on stabilising or buffering pH levels in the aquarium in the correct range of 8. 1 to 8. 4. The total carbonate and bicarbonate concentration is also called alkalinity or carbonate hardness and for a stable system the alkalinity should not
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