SOURCE: sand is in pool after backwash
A little sand is normal, called a puff back. Anything more then a good pinch of sand is a problem If its a lot of sand you can check the following.
1. O-ring in side the filter valve when standpipe inserts is intact. Make sure that standpipe is not cracked and seats well into valve.
2. check spyder gasket inside filter head. (looks like a wagon wheel) if it is loose or is pulling up it will need to replaced or re-siliconed. A good indication of this being the problem is if water is leaking from backwash port.
3. Check hoses to make sure that the to pool, to pump conections have not been reversed, if this was case you would get a lotta sand into pool. (can empty tank)
SOURCE: We have green water...so green you would not be
you must shock with liquid shock along with a strong algeicide make sure you are backwashing every hour or two
SOURCE: HAYWARD SAND FILTER, PRO SERIES: sand is getting into the pool whan the filter is r...
Have you tried backwashing recently? If so, I would first check to make sure that your pool filter is on the "filter" setting and has not been changed. Next, i would evaluate your filter pressure to make sure that it is at an acceptable level. Finally, check your sand. If it is extremely dirty or has not been replaces in a long time, it might be time for fresh, more effective sand.
SOURCE: We have a hayward sand filter for our 24ft round
its more likley to be too much sand in it and its just cloged up,,,take the sand out and run the pump out of the pool in a big tub of water to flush it out and also to back flush it,,,if its working ok after that fill it up with the right type of sand but only a little at a time,,,,
i dont think the phosphates are a problem its not being filterd thats the problem this needs sorting out fast or the pool will fill up with algy and green slim
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