BrightWater Bio Media, Fish Tank Filter Media, Ceramic Filter Ring, Ceramic Ring Fish Filter for Aquarium, Bio Media, Bio Media Ceramic Ring, B-Series (500g/17.6oz)

Very pourus beneficial bacteria media. This mixed with a few other high quality media's keep my tanks very healthy. I should have bought quality media a long time ago but I was too cheap. I thought it was all the same but it's definitely not. Learning the hard way is never fun. Having different varieties of media really makes a big difference with water parameters and clarity.This media is solid. It does not fall apart or crumble. The pieces are about the size of a chapstick lid.

It's a very high quality bio media. It doesn't come in a mesh bag though. Also it's a bit overpriced! But its quality is superior to the competing products.

I added these to my box filter and also to filtration in my skimmer. I used a mesh bag in the skimmer/filter and simply placed the rest in the bottom of my box filter. The water is much clearer in my pond after just a few days!

This product works great! I use this with polyester batting and my water stays clear, my Ammonia levels stay below 1.0 ppm on my 30 gallon frestwater tank with several tetras. Easy to use.

I'm so happy I was able to find these ceramic rings at Amazon. I needed to replace all of the media in my freshwater aquarium filter and these were so much less than my local pet store. The rings are a bit smaller than the ones I've purchased from my local pet store in the past, but they do the job just the same. I'm so glad I checked Amazon before heading to the pet store.

I liked them so much I just added some to the substrate in my aquarium.

Si eres una persona alérgica, te aconsejo que te pongas guantes, en particular a mi me dio mucha picazón en la palma de la mano después de enjuagarlas en un colador para meterla en el acuario

It’s expensive! However, the quality is the best and advisable to be used. Definitely recommend the seller.