I found that the charcoal is VERY dusty and clogs up the filter

Every 3 or so days I find myself having to either replace the charcoal or clean out the filter.

Full my filter bags for use in obsolete filter boxes.

wow I think I can make filters for a year if my idea works

My aquarium will be well filtered for years!

nice price for the item and great filter, g r

Works great to filter smells out of air.

Works great to filter smells out of air.

I use this to refill my own cartridges for a penguin 350, Its a great value, and will save you tons and give you a higher quality cartridge when paired with a nice filter pad.

I really don't know how well the carbon works as a filter; probably quite well.

I pre-washed this product with good filtered water and it still made a mess

Good price carbon that does an excellent job filtering my aquarium

I'll be switching to something that doesn't take an extremely fine media bag to avoid ruining my filters.

Not only of the their GREAT filters but also their media and accessories.

The carbon particles are so fine that they are constantly clogging the filter and getting caught in the impeller

This really works great for making air cleaner filters.

Works great in the Magnum HOT filter.

Have a stainless steel exhaust filter for a 3x3 grow tent.

Used it for a cheap air filter and found out about using it on my teeth

this carbon worked better than the filter originally came with!ABSOLUTELY ZERO SMELL and has been going strong for over a month with my plant in flower

When I clean the filter, I wash out the

Great product for mourners turtle tank and you know how messy they are l

nice price for the item and great filter, g r