Backwashing can result in a loss of water. While this is unavoidable, you can minimize the amount of water you lose by not overdoing the backwashing process. Keep a close eye on the color of the water through the view glass and stop the minute it becomes clear.

Can you backwash back into pool?

Simply put, when you backwash your pool filter, you reverse the direction of the water flow, and water moves back through the pool filter and out the waste or drain port. Just make sure youre disposing of it properly—and well get to that soon.

Is backwashing a pool bad?

Backwashing a filter too frequently will keep the sand so free of dirt buildup that it will not have the ability to remove the smaller particles of dirt and they will simply pass through sometimes causing cloudiness in water.

How long should you backwash a swimming pool?

2 - 3 minutes After the hose fills with water, backwash your sand filter for 2 - 3 minutes, or until water runs clear. Shut off the pump motor and push the T-handle back down into locked position. Turn your pump back on and note the lower pressure.