Excellent Product i have always used this item and works very well in the Aquarium
Verified purchase: Yes | Condition: New
It's a must for the aquarium filter. It's reasonably priced for what it does, the pollutants it takes out is amazing, and locks them in so they don't leak back into the water. You can tell by the colour when it requires changing usually every 3 months. So it's real value for money.
Verified purchase: Yes | Condition: New
Amazingly good at keeping the water clean an prolonging the life of the water filter between cleans.
Verified purchase: Yes | Condition: New
always use this in the external filter
Verified purchase: Yes | Condition: New
fits filter box perfectly dose its job
Verified purchase: Yes | Condition: New
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