C3 Carbon - 3-Pack,Black

This by far is the best for making freshwater clear. I change it once a month. Good value. Great performance!

Excelente producto

SOOO much better than the other filter I had. I have a 20 gal tank with 2 small goldfish and a pleco. The other product I had that was marketed for up to 30 gal was not working, the water was constantly cloudy. Less than 48 hrs after installing this filter the water was clear and its been absolutely clear for 2 mos. I've not had to change the filter yet and the PH balance is perfect.

Nothing

The product was as advertised and was a reasonable cost. No issues with the quality or seller.

Because of the nice 'add-on' pricing, I decided to try out these instead my usual buy of loose carbon that I then stuff media bags myself for the (InTank) media rack in my BioCube. I had read on some website that AquaClear/Fluval activated carbon was some of the best on the market, and so far, I have to say I agree with those claims. My water is clearer than it has ever been with the loose carbons I've bought. Obviously this pre-packed stuff is more convenient than stuffing your own bags, and the price flat out can't be beat so long as this remains an add-on item. If you have a smaller system that you can fit one of these packs into I'd highly recommend this brand of carbon. Seeing how completely crystal clear the water in my tank is now (I didn't realize how NOT crystal clear it was until using this carbon) I will continue to use this brand exclusively. **Note: carbon only makes your water clear and takes away the fishy smell of the tank; it's a polisher, not a cleaner. Only water changes will clean a tank.

Do their job, good price, recommended to replace every 4-6 weeks by Fluval. Just a warning, each filter is individually bagged but with a hole punch hole in the bags so carbon does leak out a little. Mine was shipped with a bottle of seachem prime and some other stuff all loose in a large box with no air/bubble filler and the bottle had smooshed open the box of these and there was a coating of carbon on everything. Individual filter bags were intact, just due to the holes there will be some escape. Use with my fluval C3 for my freshwater seaclear 29 gallon show tank.

Love to use their products. Easy to use and clean. Last a very long time

Exactly what one would expect from this company, a high quality filter!

Very good product. The water in my aquarium looks very clear.

Not sure if the pouches are contaminated with metal or iron or something but the mags went rusty after a few days and has ruined the water. Would not recommend and extremely unhappy

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