Rena Filstar XP Universal Water Softener Pillow Pouch Small by API (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 desposits.

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