Hualong Nitrite and Nitrate Reduction Filter Sponge
- It safely reduces NO2 & NO3 levels from the aquarium water.
- Promotes a healthy aquatic environment by trapping micro and macro organic particles, foreign debris, and excess fish food.
- For use in custom sumps, hang-on filters, prefilter boxes, and more.
- It can be cut to fit any size of your filter.
- Safe for both freshwater and marine aquaria.
All orders placed online will begin processing the next business day and ship within 24 - 48 hours depending on the shipping location and payment verification.
We do not offer Sunday delivery.
Upon completion of your order, you will receive a shipment confirmation email or text.