CNZ® Aquarium Filter Media Kits (Double Pack) - Activated Carbon, bio Ball, Ceramic Ring

I loved the bio balls, and tiny ceramic rings. I hate the carbon. With dew washing and washing the charcoal that came along with made my aquarium super dark, and cloudy. May be I should have washed it like 100 times over couple of days before I put in the filter. Apart from that I guess it is ok.

Goes great with the Cascade canister 1000 filter

Decent quality carbon. Normally replace bag in 75 gallon aquarium every 2 months. Min bio-load 15 cichlids 4 inches.

Cleaned up my koi pond nicely. Thank you.

Reasonable cost

Great amazon customer.

Used this for our Rainbow Filtration system and looks like it fits the canisters.

Love it!

good

I had read that this product could dust up the water of a small koi pond pretty badly, so I rinsed it very, very well. I then placed the bag of media into a perforated plastic tray on top of my biofiltration media. At first it appeared a little dusty, but after a few hours, the water cleared up. 24 hours later the water is still stabilizing after the addition of a 55 gallon drum biofilter, but it appears fine. This is a charcoal medium unlike any I have worked with in the past. I have a large bag of more traditional media and a dozen media bags on the way. In the meantime, I see no harm in this, but I believe it would work more efficiently in a canister with a post filtration setup than it does in my more informal biofiltration.