Filstar Bio Chem Stars
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Filstar Bio Chem Stars


Rating: 5.0

Average rating from 1 reviews.

(5.0 out of 5, based on 1 review)

Bio-Chem stars are a biological filtration media that provides substrate for optimal growth of beneficial bacteria, including nitrifying bacteria to remove toxic ammonia and nitrites. The 50-70 internal pore size allows the best oxygen and water transfer through the star. Place stars in top basket of larger FilStar canister filters, or in most convenient area of smaller FilStar canister filters. One 20 count bag treats 100 gallons. Stars will become colonized within several weeks.
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Reader's Reviews (1)
Rating: 5

Good biological filtration medium!

posted 7 years ago

I used this in my 5-gal. and 10-gal. aquariums. For the period in which I used them in my aquariums, I did not experience any significant health or water quality issues. I did find the shape to be a little bit problematic, as they had an odd tendency to get wedged into things, or on the other hand, wouldn't fit right. Even still,this is an excellent product.

Pros: Worked well!

Cons: Shape is a little challenging

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