This Cascade 100 Bio-Sponge has been specially developed for the Cascade 100 Power Filters. Optimizes colonization of beneficial aerobic bacteria and removes ammonia and nitrates keeping the aquarium healthy. Convenient, no-fuss, replacement sponge slides into your existing frame. Shipping weight: 1/6 lb.
Took a lot to find someplace that had these filters. So glad that I was able to purchase them with your company
June 27, 2019
Works great, already have clearer water with good bacteria thriving.
June 25, 2019
Petguys has the stuff, lol
I'd recommend doing business w/ Petguys they had these filters & they sent them to me super fast. I've bookmarked you. Have a great week.
June 11, 2017
First time buyer
Fast shipment recvd in mint condition. Will buy from again!
December 29, 2015
The bio sponges fit in my fish tank
September 16, 2015
these are good, work as they are supposed to, PetGuys have the cheapest price around and the shipping is fast.
Creal Springs, IL
October 25, 2012
Love it !!! Pet Guys make it easy and fast to get what I need. When I go to my local pet shot they may or may not have what I need in stock. But Pet Guys always have what I need, and it only takes a few days to have it delivered to my front door. Thanks Pet Guys