Turn a Pool Sand Filter into a Koi Pond Bead Filter


We normally use Koi pond bead filters for filtering water in your garden ponds or Koi ponds. By using the Koi pond bead filters, you would be able to maintain and keep your small pond in a clean state and healthy for your fish which is very crucial for the survival of your Koi fish. The bead filters is considered more suitable and effective than sand filters because it requires less cleaning task as well as less backwashing, plus also able to remove fish waste and feces. The sand pumps would be able to do the same task as the Koi pond bead filters. Below are some of the steps that you should know in order to convert a pool sand filter into a koi pond bead filter.

To convert a pool sand filter into a koi pond bead filter, you need:

  • Hacksaw (or cordless power saw)
  • Screwdriver
  • Wrench
  • Hose and access to water line
  • PVC connector pipes
  • Measuring tape
  • PVC pipe cleaner solution
  • Koi pond bead filter
  • PVC pipe glue
  • Filter beads
  • Pressurized cap
  • Outdoor plumber’s putty or caulk

Turning Pool Sand Filter into Koi Pond Bead Filter

Turn a Pool Sand Filter into a Koi Pond Bead Filter

  • First thing that you need to do is to locate your old pool sand filter tank which looks like an oversize grill propane tank with a ribbed fiberglass surface.
    • You need to also find its inlet and outlet PVC pipes.
    • Once you do that, you have to turn off the pump and then disconnect it from the power supply.
  • The next step is for you to loosen up the multi-port that connects the pipe system to the filter. In other words, it is a large PVC circle with multiple pipes with a shape that resemble a disc.
    • You only need to loosen up the connection of the multi-port to its filter housing.
  • Then, you have to cut through the pipes that connects to the sand filter housing which is a few inches back starting from where the pipes connects to the sand filter housing.

You must always take note that the sand filter housing is designed like an oversized propane tank. When you need to cut it you have to use either a hacksaw or a cordless power saw. You will also find that certain types of models might be having drain pipes that goes through the ground where you also need to cut them. Be extra careful because some water might come out of the pipe while you are cutting it.

  • After that, you should unscrew or loosen the bolts that hold the pump’s filter against its stand.
    • Next, you should be able to lift out the housing of your filter.
    • You must also be extra careful because you might found the pump to be filled with heavy amount of sand.
    • Once finished, you would be able to discard the filter’s housing.
  • You can make use of a hose that connects to your water pipe line in order to flush out the pipe system.
    • This can be done by inserting the tip of your hose into any of the pipes openings and allow water to run through it until it is thoroughly flush out.
  • Then, you can clear away the where the old filter was located so that you would be able to make some room for your new bead filter.
    • You should be position your new filter in order for the openings to be able to line up against the correct pipes like the in-pipe, out-pipe and the drain pipe.
    • After that, you would be able to proceed to connect your multi-port connection onto your new filter housing. You must ensure that it is fully secured before you can start to the next step.
  • Next, you need to line up the pipes before proceeding to connect them to your matching ports located on the bead housing.
    • If you notice that would be able to reach the pipes, you should start do some measurement and then cut a few PVC connection pipes to allow you to make the connection.
    • Make sure to measure starting from at least 2 inches onto the original pipe with at least 1 inch apart from the opening of the port. By doing this, you would be able to provide enough spacing to do your connection as well as creating s seal.

Remember to apply PVC cleaner which is also known as the purple cleaner to the end of your pipes and connectors.

  • All of your pipes should be connected whenever the need arise.
    • When you talk about connectors, you should always remember that the connectors are designed like PVC couplings that enables you to connect it onto either two pipes together or whenever you are having a PVC pipe which is slightly too short to be connected to a port or even to another pipe opening.

Ample PVC glue needs to be applied around the entire seams, connectors as well as the area where the pipes meet with the ports. You must always ensure that the glue is completely dry before you can proceed to the next step.

  • Once you have cleared the top of your new filter housing and proceed to the next step.
    • Next, you can open the top of your new housing filter before you can start to pour beads into it.
    • Once done, you can fill the housing with water.
    • Then, you need to install pressurized cap that usually comes with your bead filter.
    • You can make use of the included tightening tool in order to create a pressurized seal by simply secure the cap tightly.
  • Before you turn on the pump, make sure that you do double-check on all of your connections.
    • Remember to allow it to run for at least a few minutes in order to get it pressurized and at the same time enables you to check for any leakage.
    • For those of you who have leaking problems, you must immediately turn your pump off.
    • If you encounter the above issue, you can try to tighten up some of the related fixtures or even applying PVC glue onto any dry connections. In addition, you can also apply your plumber’s putty or even using caulk around connections that you notice having leakage problems.

    Always remember that whenever you want to convert a pool sand filter into a koi pond bead filter,

    • Please take note that a sand filter is designed to polish clean and waste-free water of your swimming pool. However, it is not suitable and will not work effectively to filter water that has organic waste (fish poop) and other suspended solids in your pond.

Image Credit:

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