The ceramic material will withstand any chemical reaction and is suitable for both Fresh and Salt water Fish Tanks and is perfect for use in Internal / External Pond & Aquarium filters. Lava Rock has a positive effect on the biological balance in the aquarium, it clarifies the water and stabilizes the pH.
eBay
Supplied as a set of 4 foams as pictured.
eBay
Our filter wool is totally aquatic safe, and is not treated with any chemicals, so it will not harm your fish. We have been using this in our tanks and pond for many years with great results. This filter wool works on the principle of electrostatic attraction.
eBay
Aquarium Pond Filter Wool Floss Rolls White Filtration Foam Aquarium Fish Tank Biochemical Filter Sponge.
eBay
Quality Lily Pod Product.
eBay
Natural volcanic rocks are an excellent choice for any aquarium. Their unique properties, such as the porous structure and natural color, not only give your tank a distinctive aesthetic look but also positively influence water quality.
eBay
Highly porous. It's high surface area makes it the natural choice for colonisation by micro organisms in biological filtration systems resulting in cleaner water. Inert, pH neutral. Note: Images are for illustration purposes only!
eBay
Kockney Koi 3 Piece Pond Filter Foam Set High quality sheet of reticulated foam can be cut to any size giving a large economical filter surface. Everything for the Aquarist, Pond Keeper & Pet Loverview all products.
eBay