If you have a Reptology Internal Filter 70 for your terrarium, you might want to get the Reptology Reptile REP70 Filter Replacement Sponge 2Pk. This is a pack of two bio sponges that fit your filter and help keep your terrarium water clean and healthy. The sponges remove ammonia and nitrites from the water, which are harmful to your reptiles and amphibians.

Here are some of the benefits of this product:

• It is easy to use and replace. You just need to rinse the sponge before inserting it into the filter, and change it every 4 to 6 weeks.
• It is compatible with the Reptology Internal Filter 70, which is a submersible filter that provides mechanical, chemical, and biological filtration for your terrarium.
• It is made of durable and porous material, which allows beneficial bacteria to grow and improve the water quality.

This product is a great way to maintain your terrarium and provide a healthy environment for your reptiles and amphibians. Your pets will appreciate this product!