Water Treatments and Accessories #1
Water Treatments and Accessories #3
Water Treatments and Accessories #5
Equipment #1
Reptile and Amphibian Items #1
Reptile and Amphibian Items #2
Reptile and Amphibian Items #3
With surface area up to 500m2 per litre it's ideal for the cultivation of beneficial bacteria to aid in the break down of waste produced by fish kept in an aquarium.
The porous rings can be used in both fresh & saltwater aquariums. Will not affect pH levels.