Ceramic Bio Filter Media Vast Surface Area for Aquarium Sump Canister (1 Box / 24 pcs)

Good item ✅

Awesome

It’s turning brown, we keep changing the water often, but still not like “fresh” what we use at the beginning.

Product is well made. The porosity of the blocks seems to be a good size. A lot of these type block are fragile, these are well made very well with very little chipping or degrading. Economically priced when compared to others.

Excelente para que aniden las bacterias muy durable el producto

Aware of what? Well, when you open the package you'll feel like you just dumped a bucket of sand on your host surface. Love the small poor openings, the size is right for my 24 gal Biocube filter area, and you get a lot for your money. They were well packed, but the "sand" (ceramic) came from the media, and it came from the abrasion in shipping. This is not to suggest they were poorly packed, as they are wrapped in two separate groups in tight molded plastic, with foam pads on either end. But it was a bare box in a plastic shipping envelop. Nothing was broken, and they will be a fantastic addition to put in my media basket.