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optimising water quality
Perfect for hobbyists and professionals seeking superior biological filtration performance
maintaining optimal water quality for fish and plants
please note that 7kg of Seachem Onyx Sand occupies a volume of approximately 4
Specially engineered for either concrete or liner-style ponds
Seachem Reef Calcium Accelerate Coral Growth Select:500ml optimising water qualityReef Calcium is a concentrated (50,000 mg L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH. Polygluconate complexation confers several benefits: it increases the bioavailability of the calcium, it provides a rich source of metabolic energy to help maintain peak coral growth, and it prevents calcium precipitation alkalinity depletion. Polygluconate contains no nitrogen or phosphorous,
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