During winter months or periods of non use most pool drains do not need to be plugged but in some cases plugging a main drain is required or recommended.
Does an inground pool need a bottom drain.
Further there are more than 4 million above ground pools in use across the united states today.
We ve already seen that the water in a swimming pool needs to circulate through a filtering system to remove dirt and debris.
A main drain circulates the pool s water by pulling water off the bottom of the pool and sending it to the filter.
Most pools rarely need to be drained.
During this liner renovation the homeowner did decide to change from 1 main drain to 2 for a safer and more efficient pool.
Total dissolved solids levels.
Now let s take a look at the empirical data and experience that challenges the need for drains.
To begin tens of thousands of residential in ground concrete fiberglass and vinyl liner pools are constructed without bottom drains.
Would love a bottom drain.
In ground swimming pools are basically holes in the ground in which water is held.
My solution in leu of cutting on in and having to drain the pool was to make a bottom drain on top of the liner.
A vital part of how some types of in ground pools handle their water with relative ease has to do with what s called a main drain.
Of course an in ground swimming pool is a bit more complicated than just a hole full of water.
For example some types of in ground pools feature plumbing systems able to process and return huge amounts of water.
However there are a few reasons why you might have to drain your pool.
During normal operation water flows to the filtering system through two or more main drains at the bottom of the pool and multiple skimmer drains around the top of the pool.
New residential swimming pool code requires two main drains to be installed into the pool bottom at least 5 apart and to also have these dome shaped covers over their main drains.