(Easy Fix) Pool Filter Leaking From Bottom Drain Plug

Your backyard sensei is here, Today I will give you the right way to solve the pool filter leaking from the drain plug or any bottom part.

If the water level in your pool decreases and you don’t know why? Most likely your pool filter is leaking.

Check the warranty of your pool filter by looking at the serial number. If your pool filter doesn’t come under warranty, you can follow this guide to solve the leaking problem.

You can apply these tips to Hayward, Bestway, Intex, or Pentair pool filters.

The Pool Filter Can Leak From…

Leak From The Top
Leak From Middle
Leak From Bottom

Today I am here with a full guide on how to solve the Hayward pool filter leaking from the bottom.

So, Let’s Go To The Bottom…

Why is the Pool Filter Leaking From the Bottom Cap Or Drain Plug?

The Main Reason your Cartridge, DE, or Sand filter leaks from the bottom is that the drain plug’s O-ring is damaged or you didn’t tighten the drain plug after cleaning the pool filter.

The drain plug of the pool filter is located at the bottom back side of the Hayward filter. It is used to drain the water before cleaning the filter.

A drain cap is also used to remove extra dirt and debris stuck on the bottom of the Bestway pool filter.

Now, Let’s understand the solution for the cartridge or sand pool filter leaking from the drain plug.

How To Fix Cartridge, DE, Sand Filter Leaking From Drain Plug?

You can fix your pool filter leaking from the bottom drain plug by applying these solutions. 

1. Tight The Drain Cap:

To Solve the leaking from the bottom of your Hayward pool filter, you need to tighten the drain plug using a wrench or screwdriver.

2. Check O-ring:

If the O-ring of the bottom drain cap is damaged then you have to replace it with a new one.

3. Apply Epoxy From Inside:

The pool filter is leaking from the bottom maybe because of cracks. You can solve this problem by using good epoxy. Here are steps to apply epoxy to the cracked part of the filter.

1. Open your pool filter
2. remove the filter media; sand for sand filter and cartridge for cartridge filter
3. Identify and inspect the crack
4. Apply good Epoxy from the inside
5. Replace the filter media
6. Close the filter tank.
7. Now, Check the water leak from the bottom

4. Add New Drain Plug:

During winterization of Hayward, Bestway, Pentair, or Intex pool filters, you must use Teflon tape for the drain cap. If you don’t use Teflon tape your filter will leak water when the season ends because without Teflon tape the drain plug will strip out from the filter tank while opening it.

You need to replace the drain plug with a new one to solve this issue. Use a new O-ring for the new drain plug.

Conclusion

So. This is your full troubleshooting guide on how to solve the pool sand filter leaking from the bottom drain plug.

You don’t need to hire a pool filter technician to repair your pool filter. By following this step by step method you can solve leaking problems for cartridge, sand, or DE filters.

Hope you like our tips. Let us know your feedback in the comment section.