Why is dirty water coming out the return jets as you are sweeping the pool?

Answer 1

If after you have backwashed for an decent time and you turn your pump back on, and dirt comes out from the jets my guess would be its time to change your sand, if you have just changed your sand then I would look at the gasket that goes between the top of the filter and the base unit if that is torn you will have dirt and sand slipping by.

Answer 2

when you back wash the pool you need to run Rinse for a little while before you return it to filter.

Note turn of pump when changing settings.

* Backwash Runs pool water from your pump over the filter media and out to waste. This removes dirt that has been collected during filtration. A backwash is required when your pressure rises about 10 pounds over the normal pressure. Most sand filters have a clear bubble situated near the multi port where you can see the water running to waste, watch it and you will see that the water is dirty at first run the backwash until it clears then stop the pump. * Rinse Runs pool water from pool through the filter to waste further rinsing the top of the filter media. this should always be done after backwashing to stop cloudy water returning back into the pool

Answer 3

I assume you have a sand filter if so you most likely have broken laterals in your filter. A lateral should allow water through but not sand. if you have a DE filter and you are getting what appears like sand in the pool, you have one or more of the filter grids that have holes and the DE is passing through the filter grids back to the pool.

Answer 4

The filter is not working properly it may have a hole in it or be incorrectly assembled.

Answer 5

cause the dirt gets stuck in it so it becomes dirty get it.