Things You'll Need
- Peat media filter
- Mesh filter bag
- Water test strips
Instructions
Purchase a peat filter media and mesh filter media bag. Peat media are small granules of peat found in most any fish supply retailer that will filter out the calcium. Choose a mesh bag that will fit inside the filter you have on your tank.
Fill the mesh back with the peat filter media. Then insert the bag into the remaining space in the tank̵7;s filter. You may need to remove some peat to make it fit. Use as much peat filter media as you can comfortably fit into this space in the filter.
Test the tanks water twice a day for several days with aquarium water test strips following the addition of the peat. You want to test the pH, ammonia, nitrite and nitrate levels as these may change due to the peat, according to the authors of ̶0;Freshwater Aquariums for Dummies.̶1;
Do a 10 to 20 percent water change if the pH becomes too acidic according to the test strip results. This will help raise and stabilize the pH.