Finally, reconnect your power source and turn the hot tub back on to begin circulating the water.

How to drain a hot tub fast. Place the pump at the deepest point of your hot tub. Just get the syphon started using a jet and the large hose will drain the tub real fast. Run the hose to drain the hot tub water.

I use a shower squeege to clear off the seats and then a shop vac to get. Just get the syphon started using a jet and the large hose will drain the tub real fast. Make sure the end of the hose is below the level of the other end in the tub.

The fastest way to drain your hot tub is to use a submersible pump to forcibly move the water out. Run the hose’s open end to the draining. If your pump's outflow hose isn't long enough to reach a drain, connect it to a garden hose.

A submersible pump can drain a hot tub in as little as 10 minutes. Attach an outflow hose to the pump and place it on the floor at the center of the tub. Turn on the breaker and system and this will allow the system to start up.

Place the pump inside the spa. Turn the power back on and add your pool chemicals. There are a few indicators on when.

Turn the power to the spa off at the circuit breaker. Attach a garden hose to the sump pump. Draining your hot tub otherwise known as a spa can be a chore, but it is necessary to change the water on a regular basis.