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The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. This powdered acid formula is easy to handle and ship. Lightweight in comparison to liquids. Widely recognized as a consistent and reliable product.
Available in 1L
*This product is a liquid, therefore it cannot be sent through Canada Post*
This product is liquid therefor cannot be shipped via Canada Post** 4 L help to adjust grow solution to lower pH ..
$39.99