API Filstar Water Softener Pillow Pouch Small Fits API/Rena and other filters (728A)

Softens water by removing calcium, magnesium and heavy metals. Use in Freshwater to maintain proper pH which reduces fish stress and disease. Also reduces white crusty mineral deposits. This pouch works with Filstar and Nexx Filter Systems and replaces Rena Item 728A. 

• Resin filter material
• Does not add harmful chemicals
• Completely rechargeable
• Ideal for soft water aquariums
• Universal pouch fits many filters

• Removes 70ppm per 20 gallons in 24 hour period
• Easily recharged, see jar instructions
• Recharge after 48 hours use