To increase pH, add 5 ml (1 tsp) per 20 U.S. gallons (76 L) of water. Depending on the initial acidity of your water, several doses may be required to reach the target pH. Wait approximately 10 minutes, re-check the pH level before adding more Fritz pH Higher. If fish are present, limit pH change to 0.2 per day.

• For best results, add pH Higher to a high flow area of your aquarium
• Always check the pH of your water before using pH Higher
• No equipment restrictions necessary
• No contraindications: can be used with all of our other products and meds
• Easy measuring: the 4 oz, 8 oz and 16 oz bottle caps are approximately 5 mL volume
• Do not change pH by more than 0.2 units per 24 hours when livestock is present. Test with a reliable pH test kit before and after use
• Overdosed? Observe livestock for distress, perform small water changes if needed

NOTE: If high levels of ammonia have accumulated due to low pH, raise the pH slowly to prevent generation of high levels of the toxic form of ammonia.

About Fritz’s

Fritz Aquatics products are used by zoos, public aquarium exhibits, aquaculture professionals and home aquarium hobbyists. Our aquarium products have been trusted by hobbyists and professionals for over 30 years.

We are one of the leading water quality product manufacturers in America. As proven in an independent university study, Fritz aquarium maintenance products are superior to any others on the marketplace and are used in major marine establishments across the nation.

Fritz Aquatics is a specialty brand of aquarium products manufactured by Fritz Industries Was founded in 1956 by C. Fredrick “Fritz” Weisend. In the early years, Fritz Industries emerged as a research leader in the development of products based on applied chemistry and unique manufacturing processes, leading to the establishment of the pet products division.

The Fritz Pet Products Division began in the early 1970s with the manufacturing of all-glass aquariums and processing aquarium gravel. Today, the specialty division manufactures hundreds of pet products with an emphasis on the aquatics market. Developing innovative products such as FritzZyme 7 & 9, TurboStart and FritzGuard. The Fritz Aquatics line is marketed to major distributors and pet retailers throughout the U.S. and internationally.

Fritz Aquatics also manufactures products for large aquatic facilities, zoos and the largest public aquariums in the world. In 2014, Fritz Aquatics secured an exclusive royalty agreement with Sergeant’s Pet Care Products, Inc. for their Mardel and Aquarium Product lines.