BRS Felt Filter Sock with Plastic Ring
Why does BRS recommend this?
Felt filter socks give the best qualities of trapping free floating debris to give your tanks water that crystal clear appearance. Felt filter socks with the plastic rings make replacement quick and easy, and most sumps will readily accept the BRS felt filter sock. In most cases we will always put felt filter socks in our sumps.
Filter Socks are used on overflows to remove small floating particles from aquarium water. This can dramatically improve water quality and reduce maintenance on filters that would otherwise become clogged.
Felt Filter Sock is better at removing particles than mesh but can clog faster. The plastic ring fits common sump holders.
200 Micron Filter Sock
Filter socks come in mesh or felt and with a plastic ring or drawstring.
- Mesh: Thin, doesn't clog as easily as felt
- Felt: Thicker, better at removing particles, but can clog faster
- Plastic Ring: attaches via ring that fits common sump holders
- Draw String: attaches directly to plumbing
- BRS recommends starting with felt socks and switching to mesh if they clog faster than desired.
Filter sock benefits:
- Regular use will result in crystal clear water most convenient form of mechanical filtration.
- Remove excess food, detritus, organic waste, dust and other particulates
- A convenient form of mechanical filtration
- Prevents larger objects like sand, crabs, and snails from damaging pump motors
- Reduces ammonia and nitrate producing organic waste
- Increases filter life
The Trigger 1 cube sump can use either the 4x8 or the 4x14 socks. The 4x14 may hit the bottom of the sump when installed but this should not be an issue once water is flowing through it.
Thank you for reaching out with your question.
Our BRS filter socks are made in the USA.
Let us know if you have any other questions!
The BRS filter socks with plastic rings work great in the Trigger sumps. Many of us here at the office use them for just that!
Is there any O ring I can use or, can I put a heavy rock in the bottom of the sock to hold them tighter to the opening?
You can put any type of media you choose into the filter socks, however for a media sock, we would suggest using the mesh socks over the felt, since little particles of media, like getting stuck in the felt socks and become a bit harder to clean over time. The mesh socks handle loose media much better while allowing for more flow through them. The felt socks are best for water polishing.
The 4x 8 will work great additionally we have used the 4x14's as well which allow for a little more time before changing.
We are not familiar with the CAD lights sock size. As long as the hole for the filter socks is 4" exactly our filter socks will work great! Feel free to let us know if you have any further questions!
This will not work in the red sea reefer tanks unfortunately. The only socks we are aware of the if the socks directly from Red Sea. Feel free to let us know if you have any further questions!
These filter socks have a lip which makes the inside diameter not very important for measurement. These will fit inside of a 4" diameter hole perfectly however! Feel free to let us know if you have any further questions!
Either of the 4" filter socks will do the trick. I personally prefer to use the 14" even if its a bit long.
I've been using the 8" socks with good results - their also very durable and machine wash well.
1) Is using bleach necessary when machine washing?
2) What's the best way to tell when these socks need to be replaced (because of age/wear and no longer effective)?
3) If I wait too long will that contribute to an increase in nitrates?
1) It isn't necessary (many people just use straight water) but bleach does a very good job of breaking down organics.
2)If they have holes worn thru them or if the stitching starts to come apart would be when I would start to worry about them :-)
3)If you leave them in the tank to long it won't be as effective. It is more of an opportunity cost, by leaving the sock in for too long you give a chance for detritus to contribute to the nutrients in the tank, whereas if you had changed it out you would have removed it from the tank before giving it the opportunity. In the end, there won't be any more nitrates then could have existed without it, but you missed your chance to prevent them if you don't change them.
Some folks just throw them in the washing machine when they collect enough dirty ones. Personally I turn them inside out and give them a good rinse and scrub by hand.
This will be the 4x14 models with the plastic rings :-)
The more often you change them the better, that way you can remove the solids before they continue to break down and add additional nutrients to your water column. You want to avoid soaps when cleaning them but its pretty common for people to use unscented household bleach in water. Be sure to rinse them and all them to dry completely.
Good question. All of our filter socks are 200 micron filter socks!
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