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£17.99
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Increases calcium and alkalinity and at the same time stabilizes the pH without disturbing the ionic balance. No unnatural by-products....
Removes silicate and phosphate Spherical for optimal hydrodynamics Irreversible binding
• CLEANS THE WATER BIOLOGICALLY • REMOVES ORGANIC WASTE • NATURAL CLARIFY
Helps quickly and reliably when the acidification from fishes and decomposition products has shifted the pH out of the recommended...