Great for improving your biological bacterial count in your aquariums. Common used in Canister Filters, Hang on Back filters and sumps.  The bio rings weight 1lb 2 oz or 500 grams.

Bio Rings

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Great for improving your biological bacterial count in your aquariums. Common used in Canister Filters, Hang on Back filters and sumps.  The bio rings weight 1lb 2 oz or 500 grams.

Customer Reviews

Based on 100 reviews
98%
(98)
2%
(2)
0%
(0)
0%
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0%
(0)
S
S.W.
Best Value for Bio Rings Anywhere!
M
M.
Bio Rings
Thanks for the support!
J
J.m.
K
K.M.
Bio rings
M
M.B.
This is a large bag!
S
S.S.
Top layer of HOB filter build out
L
L.
A lot of media!
M
M.G.
Works well
A
A.
Good amount, great for filtration!
M
M.M.
Good deal