Do you have to drain the main drain in a swimming pool?
One of the biggest misconceptions about swimming pool main drains is that they actually drain the pool. In fact, they don’t or rather, that’s not their main job. Some pools go from construction to demolition without ever being drained.
Is it safe to drain a pool without opening the valve?
Opening up the valve allows water to come up from under the pool and pour into the pool, relieving the pressure. If you have hydrostats in your pool, never drain the pool without opening them. The other danger from hydrostatic pressure is the weight of water around your pool.
What’s the temp in a pool without a drain?
Pools without funtioning main drains can have a 15 degree temp difference between shallow and deep water. Anyone who argues this point is probably a salesman with a poorly made product, or an untrained poolman who, instead of doing a proper repair is telling you to block off the main drain.
Is it OK to drain pool with small filter?
Small filters may be adequate for good water conditions, but can be overwhelmed by very ‘thick’ water. And, severe algae clean-up with a small filter can often spoil filter sand, and ruin filter cartridges.
Is there a problem with a main drain in a swimming pool?
But locating them isn’t actually the problem with swimming pool main drains. The problem is that they can be very dangerous pieces of equipment in the pool, and that many pool owners don’t realize it. Because of that, they don’t take care to properly guard their swimming pool main drain, until tragedy strikes.
Do you have to test your pool water before draining it?
The truth is, it’s probably required by your city that the water you drain doesn’t have high concentrations of pool chemicals. Before draining your pool, use test strips to make sure that your water is chlorine neutral, has a neutral pH, and doesn’t have high traces of other chemicals.
How do you drain water from a pool with a de filter?
How to Drain a Pool with a DE Filter Manually shut the pump off at the breaker box. Turn the multiport valve in a clockwise direction until you get to “Waste”. Turn the pump back on. When you’ve taken enough water out of the swimming pool, turn the pump off.
How big of a drain do I need for my Pool?
In many cases, a partial drain will get the job done. If you have a main drain and a sand or DE filter, you can close the skimmers and pump the pool down (on backwash or waste) to about 3″ from the shallow end floor, then fill it back up again.
