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PLEASE NOTE!
This basically turns your fx6 into a sponge filter, with monster biological filtration in the canister. Large particulates will settle to the substrate and will need to be vacuumed occasionally. Please clean out your sponge weekly until you get a feel for how quickly it accumulates material.

Poth-O-Carry® is pleased to bring to you this fun project. I've always been a fan of pre-filters. Not just to minimize disturbing my biological media, but also as a means of better protecting my smaller creatures in my tanks – shrimp, fry, etc.

When I picked up my fancy Fluval FX 6, I quickly realized my shrimp disappeared! I had to do something. The FX series is a hungry beast, pulling many of gallons per hour through it's canister. The single course sponge on this pre-filter spreads out the intake demands to thousands of smaller holes, that shrimp and fry can safely avoid. Not only that, but they are TOP LOADED, so tank maintenance is a lot easier! To clean your pre filter sponges, turn off your canister filter, twist and pull off the sponge, and squeeze out in an outside bucket of either tank water, RO, or de-chlorinated water. Please be sure no chlorine is present, as it will kill the scores of beneficial bacteria that are now also growing on your sponges.

This pre-filter has an inner cage to protect your aquatic life, and as such, the sponge is optional.
If you wish to source your own sponges, this will be made available with or without. The sponges are 5.9" x 4.1" with an inner diameter of 1".

Works with the Fluval F2/4/6, and any other intake tube around 1" inner diameter. Also works with the Fluval 100 / 200 / 300 series and I think the other ones using the outer diameter of the up-tube on the filter. Just tested on the Aquaclear 30 with success.

Product Information
Single-Sponge Pre-Filter for your Fluval FX series, by Poth-O-Carry®

5.0 (117 reviews)

PLEASE NOTE!
This basically turns your fx6 into a sponge filter, with monster biological filtration in the canister. Large particulates will settle to the substrate and will need to be vacuumed occasionally. Please clean out your sponge weekly until you get a feel for how quickly it accumulates material.

Poth-O-Carry® is pleased to bring to you this fun project. I've always been a fan of pre-filters. Not just to minimize disturbing my biological media, but also as a means of better protecting my smaller creatures in my tanks – shrimp, fry, etc.

When I picked up my fancy Fluval FX 6, I quickly realized my shrimp disappeared! I had to do something. The FX series is a hungry beast, pulling many of gallons per hour through it's canister. The single course sponge on this pre-filter spreads out the intake demands to thousands of smaller holes, that shrimp and fry can safely avoid. Not only that, but they are TOP LOADED, so tank maintenance is a lot easier! To clean your pre filter sponges, turn off your canister filter, twist and pull off the sponge, and squeeze out in an outside bucket of either tank water, RO, or de-chlorinated water. Please be sure no chlorine is present, as it will kill the scores of beneficial bacteria that are now also growing on your sponges.

This pre-filter has an inner cage to protect your aquatic life, and as such, the sponge is optional.
If you wish to source your own sponges, this will be made available with or without. The sponges are 5.9" x 4.1" with an inner diameter of 1".

Works with the Fluval F2/4/6, and any other intake tube around 1" inner diameter. Also works with the Fluval 100 / 200 / 300 series and I think the other ones using the outer diameter of the up-tube on the filter. Just tested on the Aquaclear 30 with success.

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