Great product, shipping, tracking, and price were as described and very reasonable! Great way to enhance a hob filter unit!
I was inspired after watching Cory build the sump for the 800gal, to build one for my 100gal pleco tank. I have never worked with bio rings before, and I can't believe what I have been missing! They offer so much surface area, constructed very well, and come in a sturdy bag! They keep the water polished clean and I love knowing my tank is overall healthier! Shipping was Amazon Prime fast, and although my box looked like it had been chucked off a building, the bio rings were all intact! Love this addition to my sump and will definitely be ordering more in the future!
Purchased for my 25 gal sump for my 75 gal tank. Seemed to help the accelerated growth of beneficial bacteria causing my aquarium to cycle faster. Good product for sumps and filters
The bio rings from aquarium co-op are doing a great job in my tank. They have me a great amount for a great price.
Bought these after watching the ungrading your filter video, received more that expected, great product!
The description doesn’t do this justice! I got so many more than I thought based on the description I was blown away and extremely happy!
I bought these to add to my accu clear 50 filter they are great. Shipping was fast. It's a large bag I'll never have to buy anymore but I will find a use for them.
I totally did not comprehend the size of this bag, as a result it doesn't work for my planned application. No worries, I'll find a use eventually (don't we all?). Ceramic media seems fine, as with any others, give it a thorough wash to shake off the dust.
Maybe display it next to a picture of an average sized hand for scale? Just a suggestion.
I use these bio rings on the top layer when I build out my HOB's filter. I've just put them in now, but I've used similar rings in the past and they seem to get colonized quickly and take on the bioload in the water.
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