They last as long and are very absorbing of waste, food, and excrements in the water.

They last as long and are very absorbing of waste, food, and excrements in the water.  Read Less

I cut these blocks into thirds and i am using these pieces as prefilters for the various diy projects i am playing with, and th...  Read More

I cut these blocks into thirds and i am using these pieces as prefilters for the various diy projects i am playing with, and these seem to flow well and function as expected.  Read Less

Last around 45 days then edges get brittle if they're not submerged.

Last around 45 days then edges get brittle if they're not submerged.  Read Less

I had concerns about the quality of these, i received them and matched them up to the original sponge and there is little to no difference.

I had concerns about the quality of these, i received them and matched them up to the original sponge and there is little to no difference.  Read Less

This package of three sponges is a great value for the money.

This package of three sponges is a great value for the money.  Read Less

These are wonderful filters at a fraction of the cost of the ones you buy in store.

These are wonderful filters at a fraction of the cost of the ones you buy in store.  Read Less

Save yourself some bucks and get these!

Save yourself some bucks and get these!  Read Less

I only wish this exact product was available at this price in black also.

I only wish this exact product was available at this price in black also.  Read Less

Ship is always quick too which makes it so much easier when i forget to order.

Ship is always quick too which makes it so much easier when i forget to order.  Read Less

They were exactly what i was looking for, the price was good and they arrived in plenty of time.

They were exactly what i was looking for, the price was good and they arrived in plenty of time.  Read Less

They are porous enough for his stink bait to stick too & we have a lot of packages of catfish in our freezer.

They are porous enough for his stink bait to stick too & we have a lot of packages of catfish in our freezer.  Read Less

I don't have any aquaclear products, but i needed the filter material for other uses and this was probably the best deal out th...  Read More

I don't have any aquaclear products, but i needed the filter material for other uses and this was probably the best deal out there for more material than i will need for years.  Read Less

They hold-up the same as the name brand sponges from an aquarium supplier.

They hold-up the same as the name brand sponges from an aquarium supplier.  Read Less

Work just as well as the name brand.

Work just as well as the name brand.  Read Less