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We just drained our 33,000 G. inground gunite pool for the second time. We used our commercial pump to remove the water. As you get to the bottom of the pool there is a cap next to the drain in the bottom of the pool that should pop out because of the ground water pressure. We then place the pump hose over that hole to control the groundwater coming up through the hole. Note that before we get to that point, we've already taken bleach (weed spray cannister) and sprayed the walls with the bleach and washed with water. The pool is sparkling clean. Better than an acid wash. Once completely cleaned we place the cap back on and place two garden hoses in the pool and start refilling. It takes two days to refill. Good luck!

Ans: The drain grate at the bottom of the pool is not actually a drain as in bathtub drain. It's purpose is not a drain but is there only to circulate the lower portion of the pool water. That grate's Plumbing is connected to the skimmer which is then connected to the pump. It is like a closed circuit plumbing installation. To drain water off you need an an external sump pump that you drop into the pool - usually with a garden hose and an electrical cord attached. Some sump pumps can use hoses up to 2" in diameter.

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8y ago
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12y ago

put a pump in it and drain it. dont try if its anything other than a gunite pool.

Pools are equipped with pumps already. If you have a main drain on the bottom, just set the pump to pull only from the drain, and set the spider valve to waste.

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11y ago

I guess there are usually holes or equipments to finish this task.You can look up it carefully around the swimming pool.

If you have a sand filter, Turn off the pump, flip the filter valve to back-wash and turn the pump back on. When enough has drained, reverse the process.

If you have any other type of filter, check to see if there is a "waste" position on the valve. If there is, turn off the pump, move the lever to "waste" and turn on the pump until the level is where you need it. Then reverse the process.

If you have an above ground pool, place a hose under the water, cap/close one end of the hose and pull that capped/closed end of the hose out to the ground away from the pool, being careful to leave the open end of the hose under water. Next, open the capped/closed end, which should allow water to flow out of the pool.

If you are completely draining the pool rent a submersible pump. Using the pool equipment to drain a pool can damage the pump.

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Q: How do you drain water out of your inground pool that has a bottom drain?
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Why would you drain your pool just becasue the water is hot? Never drain your inground pool unless you have first cut holes in the bottom of the pool to keep it from floating. If the water table in your area is high enough, your inground pool could "float" out of the ground, effectively ruining your pool.


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