Should I Cap My Pool and Spa Main Drain?

A pool and spa require a lot of working pieces to function properly. Making alterations or modifications to any piece of pool equipment can sometimes help your pool run more efficiently. For the most part however, a pool or spa will work best if each component is installed properly, and left to do its job. There are some instances where minor alterations to pool equipment will help repair an issue like a leak or reduce energy consumption. Installing a pool timer clock or adding a salt water filter can improve things like filtration efficiency, but these are specific additions that are designed to enhance your pool or spa's day to day functions.

One common alteration many pool technicians like the experts at Pool Problems? come across is a capped main pool or spa drain. Your main drain is usually located at the center of your pool or in the middle of the deep end. Typically the main drain is found at the lowest point of a swimming pool. These drains actually work as part of your pool or spa's water circulation system. In cases where the main drain has been capped, we usually find that this has been done in order to quickly fix a troublesome leak in your pool plumbing. While a capped main drain may prevent your pool or spa from leaking, it really isn't a good idea to modify your pool or spa system like this.


Any pool or spa that has a main drain requires it to keep a sufficient amount of water flowing through your filtration system. When the drain is capped so no water can flow through it into your pool filter, the pool system only works at half capacity. This makes your pool or spa equipment less efficient and makes it harder to adequately filter your water, which can lead to more issues in the future. Rather than capping your pool or spa main drain, you should contact an experienced professional to perform proper repairs. At Pool Problems? we have all the necessary tools and experience to handle any pool and spa main drain repair. Whether you're dealing with a leaky drain or the main drain has become clogged over time, we can make the necessary repairs to keep water flowing properly through your pool system. Contact Doug at Pool Problems? today to receive a free estimate on your pool and spa main drain repairs. 

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