Fluval U Underwater Filter BioMax, Replacement Aquarium Filter Media, A495

Extremely pleased with this purchase. It is exactly as described and is just what I wanted. Thank you!

This product is much cheaper here than it is at my local pet store this product does everything it says

Used in turtle filter to clean the water

Excellent item

Used these for my Fluval water filter in my aquatic turtles tank. Exact replacement and works great. Shipping was timely.

Biological filtering is the way to go. One of the best aspects of the Underwater U series is that they approach water cleanliness through a comprehensive approach, including BioMax. These little white nuggets work like magic for the water of my turtle tank.

Seems a useful filter medium, at a good price. We will see how it does over time.

We have a couple turtles and this has helped a lot. I keeps the water cleaner for longer, and keeps it from looking yellow.

Product as described. Good price.

The more I learn about filter the more I realize I was wasting money on these,