Fritz RPM Elements Magnesium Supplement, 1 gal

Fritz RPM Elements Magnesium Supplement is designed to help maintain magnesium levels in a reef aquarium.

Quick facts

• Species: Fish, reef aquarium
• Size: 1 gal
• Key ingredient: Magnesium

Why owners like it

• Fritz designed this formula to help keep magnesium in proper ionic balance alongside calcium and alkalinity.
• The brand says it's built to support coral, coralline algae, and invertebrates in a reef tank.
• Fritz notes the formula leaves out unmeasured, unnecessary ions and metals found in some similar products.

Fritz recommends using RPM Elements together with regular water changes and a high quality salt such as Fritz RPM (Reef Pro Mix) to help keep reef parameters in range.

Questions owners ask

What is this supplement used for? Fritz designed it to help maintain magnesium levels in a reef aquarium, alongside calcium and alkalinity, for coral, coralline algae, and invertebrates.

How should I use it? The brand recommends pairing it with regular water changes and a high quality salt like Fritz RPM (Reef Pro Mix) to help keep reef parameters in range.

What size does it come in? This supplement comes in a 1 gal size.