“Bought this sponge block so the old block can be thrown away to keep the aquarium clean and clear. Notice the new sponge in this particular batch is more porous than previous but didn't worry too much. The result, however, was poor. My tank is now murky and is in desperate need for an alternative product. Very disappointing.”
“Bought this sponge block so the old block can be thrown away to keep the aquarium clean and clear. Notice the new sponge in this particular batch is more porous than previous but didn't worry too much. The result, however, was poor. My tank is now murky and is in desperate need for an alternative product. Very disappointing.”
