Aquatop Forza Replacement Carbon Canister Filter Cartridge ammonia test only 1-2 more drops should

only 1-2 more drops should be required to reach the blue endpoint

Easy-to-Read in a glance

and the supply water to the unit does not have to be turned off to replace any cartridge

Biological

Aquatop Forza Replacement Carbon Canister Filter Cartridge ammonia test only 1-2 more drops shouldThe Aquatop Replacement Carbon Cartridge Insert is made of a strong poly fiber which collects organic debris for easy removal. Filled with Aquatop's Activated Carbon, these innovative and unique replacement canister filter cartridges are extremely easy to use and install and help keep aquarium water crystal clear and free from odor. The FZ13 RCI fits all FZ13 models. The FZ9 RCI fits all FZ9 models. The FZ7 RCI fits all FZ7 models.