Kordon pH Decrease Aquarium Water Treatment 1ea/4 floz.

Kordon pH decrease will safely decrease the water ph in fresh or saltwater. Aquarium water can fluctuate up or down due to biological and/or chemical activity within the aquarium. Using Kordon pH decrease will take the pH down to a desired level. For best results it is recommended that Kordon pH7.0, pH 7.5 or pH 8.2 Stabilizer products be used following treatment with either pH Increase or pH Decrease for complete pH water control. 4 ounce size treats up to 700 gallons.