Sera PH-Minus, treats 264 gallons 250ml
	Rating: none Quantity in Basket: none Code: SER-03550 Price:$9.99
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Sera pH-minus safely lowers the pH value in freshwater aquariums. In case of pH values above 7.0 and KH values above 6°dKH add 5 ml sera pH-minus per 20 liters (5 gal.) of aquarium water. In case of pH values of 7.0 or lower add 1 - 2 ml sera pH-minus per 20 liters (5 gal.) of water.

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