how to replace a pool filter cartridge

Author: PoolKing - Pool Sand Filter Manufacturers

How to Replace a Pool Filter Cartridge: A Step-by-Step Guide

If you own a swimming pool, you know how important it is to keep the water clean and clear. However, if your pool filter cartridge is dirty or damaged, it can compromise the filtration system and lead to cloudy or green water. In this article, we will guide you through the process of replacing a pool filter cartridge to ensure your pool stays sparkling clean all summer long.

Tools and Materials Needed

Before we dive into the steps, make sure you have the following tools and materials on hand:

- Replacement pool filter cartridge

- Screwdriver

- Lubricant

- Hose

Step 1: Turn off the pump

Before you begin working on the filter, turn off the pool pump to avoid any accidents. Wait a few minutes to allow the pressure to be released before proceeding to the next step.

Step 2: Release the air valve

After the pressure is released, locate the air valve on top of the filter and remove the cap. This will allow air to enter and prevent a vacuum from forming inside the filter.

Step 3: Loosen the clamp

Next, locate the clamp that secures the filter housing and use a screwdriver to loosen it. This will allow you to remove the top of the filter.

Step 4: Remove the old cartridge

Carefully lift the old cartridge out of the filter housing and inspect it for any damage or tears. If the cartridge is still in good condition, you can clean it and reuse it. However, if it is damaged, it's time for a replacement.

Step 5: Clean the filter housing

With the old cartridge removed, you can now clean the inside of the filter housing. Use a hose to wash away any debris or dirt that has accumulated inside.

Step 6: Install the new cartridge

Insert the new cartridge into the filter housing and make sure it fits snugly. Apply lubricant to the o-ring on the filter housing to ensure a secure seal.

Step 7: Reassemble the filter

Once the new cartridge is in place, you can begin reassembling the filter. Replace the top of the filter and use a screwdriver to fasten the clamp.

Step 8: Turn on the pump

With the filter reassembled, it's time to turn the pump back on. Check the filter pressure gauge to ensure it's reading at a normal level. If the pressure reading is high, the filter may need to be backwashed.

Step 9: Test the water

After everything is back in place, it's a good idea to test the water to make sure it's properly balanced. Use a test kit to check the pH, alkalinity, and chlorine levels. Adjust as necessary to maintain a safe and clean swimming environment.

Conclusion

Replacing a pool filter cartridge is a relatively simple task that can save you from expensive repairs down the road. Follow these steps to ensure your pool stays clean and clear all season long. Remember, regular maintenance is key to a healthy and enjoyable swimming experience. Happy swimming!