> For the complete documentation index, see [llms.txt](https://docs.synergyreef.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.synergyreef.com/installation-manuals/sk-sump-installation/using-1-clarisea-by-itself-and-or-1-filter-sock-or-no-socks.md).

# Using 1 Clarisea By Itself and/or 1 Filter Sock (or No Socks)

## Using 1 Clarisea and 1 Filter Sock (or no Socks) - 

While we do not recommend this setup, it is possible to use it this way if you so choose to.

You can use 1 Clarisea SK5000 and no socks. The steps below will explain how to setup this configuration. 

![Installation of 1 SK5000 and 1 Filter Sock](/files/dEFjZYUyXC8YbmAaOHyG)

1. If using only one Clarisea SK5000, Follow[ Installing the Clarisea SK5000 into the sump ](/installation-manuals/sk-sump-installation/installing-the-clarisea-sk5000-into-the-sump.md)instructions first. Then move on to step 2. below. 
2. Make sure the 1" Plug is screwed into the empty section where no Clarisea will be used. 
3. Install the included filter sock plate into the empty space. No filter sock is needed unless you want to have one in there.
4. It can be run with no sock in the holder if you choose as well, but you may get some trickle noise. Having a filter sock in the empty chamber can help to reduce noise if your flow is more than the Clarisea can handle. 
5. You are now ready to turn on your return pump on your system!


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