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Response to decreasing ammonia is slower
Reliable and efficient
100-200 Tests
Recommended iron concentration = 0
Latest version with side rail to fit optional scraper BM100459 and Feeding Clip BM100476
API Water Softener Pillow FILTER MEDIA Response to decreasing ammonia isAPI Water Softener Pillow is ideal for soft water aquariums. These ready to use pouches contain resins to remove calcium, magnesium and soluble heavy metal ions, including copper and iron. Use to replicate natural soft water conditions in the home aquarium Helps protect sensitive soft water tropical fish from hard water. Also eliminates white, crusty mineral deposits on aquarium surfaces. Size: 1 pack size 5 Instruction: Rinse pouch under tap water.