Directions: Use one level teaspoon for every 10 gallons once or twice a month (or a necessary to maintain a pH of 7.0). Neutral Regulator may be added directly to the aquarium at any time, but is better used when adding or changing water by predissolving it in the replacement water. 8.8 oz. treats 800 gallons.Aquarium use only. Keep away from children.
Seachem Neutral Regulator
Size: 8.8 oz.