Frequently Asked Questions

Koi Pharma® Pure Activated Carbon absorbs tannins, impurities, and odors from the water, transforming tea-colored water into crystal clear water through chemical filtration.

Yes, Koi Pharma® Pure Activated Carbon is 100% safe for all fish and aquatic plants, ensuring a healthy pond ecosystem.

Replace the activated carbon every 2-3 months, as it will have absorbed all impurities and will no longer be active.

No, remove the activated carbon when treating the pond with any medications or water treatments to prevent adverse reactions.

Use 2.5 pounds of activated carbon per 1,000 gallons of pond water. For larger fish loads, double the dose for optimal impurity removal.