API pH Down Aquarium pH Adjuster - 16 oz
$15.41
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Lowers pH and makes aquariums more acidic. Fast-acting, colorless, easy-to-use and will not cloud or color aquarium water. 1.25 oz.bottle on card (37 ml) 1/2 teaspoonful for each 25 gallons of aquarium water.
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$15.41
$14.68
(-$0.73)
$14.68
$15.41
(+$0.73)