Aquarium Equipment -Aquarium Resin Filter Highlights Generic Brand Aquarium Resin Filter Description: Create a healthy environment for aquatic aquatic plants or fish by using ion exchange resins. The soft water conservator's ion exchange resin exchanges various cations of calcium, magnesium, sodium and potassium in hard water with circulating water, which makes the water quality in the state fresh water. Establishing stable freshwater and reducing pH is a necessary auxiliary filter for breeding weak acidic freshwater fish in aquatic aquarium. Regeneration method: 1. Remove the resin from fresh water and wash it with tap water. Add 100g of salt to 1kg of tap water. Soak the resin in the salt water solution for 30-60 minutes until the resin returns to its original brown color. 2. wash with tap water for 5-10 minutes and remove salt. specification: Material: resin Net weight: about 280g Package includes: 1 piece of filter resin Note: Due to manual measurement and lighting effects, there is a slight difference between the size and color of the above and the the actual item.