Algae Block Puck (sold by the Each)

7040250
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  • Regular price $13.49
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Algae Block ™ uses probiotic bacilli bacteria and a micro-nutrient to clean water systems of nitrates & phosphates… the nutrients that algae feed on.
Algae Block ™ is made of food-grade ingredients and is certified G.R.A.S.
This product works around the clock and lasts several months (45 – 90 days).
Available as individual blocks or in tubs of 40.