Tetratest KH Refill 20ml

The Tetratest KH Refill 20ml is a convenient refill solution designed to maintain water quality in aquariums. This product is essential for accurately measuring and balancing the carbonate hardness (KH) of your aquarium water, ensuring a stable environment for fish and aquatic plants. The easy-to-use refill allows you to continue monitoring your aquarium's water parameters without the need to purchase a new test kit, making it both economical and practical.