Fritz R/O Recharge

Fritz R/O Recharge puts the good minerals back into RO or RO/DI water so you can build the exact water chemistry your fish and plants need. Its balanced blend of calcium, magnesium, potassium, and sodium restores GH, KH, and TDS for a healthy freshwater habitat. Explore more additives.

Features

• Remineralizes RO, RO/DI, or other purified water
• Restores GH, KH, and TDS to natural, healthy levels
• Balanced ratio of calcium, magnesium, potassium, and sodium for good osmoregulation
• Also useful to top up established tanks when GH or KH runs low
• One teaspoon per 10 gallons raises GH about 100 to 125 ppm and KH 3 to 4 dKH

How to Use

• Add 1 teaspoon per 10 gallons of RO or RO/DI water, repeating until you reach your target GH and KH
• Also works in established tanks when GH or KH is low
• It does not dechlorinate, so add Fritz A.C.C.R. or Fritz Guard if using tap water

Specifications

Recommended Pairings

• Dechlorinate tap water with Fritz A.C.C.R.
• Support the biofilter with FritzZyme Trace
• Browse all additives

Frequently Asked Questions

What does it restore?
GH, KH, and TDS, using calcium, magnesium, potassium, and sodium.

Does it dechlorinate?
No. Use a dechlorinator like Fritz A.C.C.R. if you start from tap water.

How much does one dose add?
About 100 to 125 ppm GH and 3 to 4 dKH per teaspoon per 10 gallons.