Only cut to size and put in the filter Saturday morning and have noticed a well needed decrease in the nitrate levels already (Monday A.M). This can only be good for my fish, so I'm very pleased with this product and would recommend it.
Verified purchase: Yes | Condition: New
Great cut to size they also work
Verified purchase: Yes | Condition: New
Used for nitrate removal. Nitrates in tank have lowered. Many thanks
Verified purchase: Yes | Condition: New
Economical way to use filter media in tanks
Verified purchase: Yes | Condition: New
Does the job. Easy to cut to your requirements. Recommended.
Verified purchase: Yes | Condition: New
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