There doesn’t seem to be much sand in the filter. Also the pvc that the radials are attached to came up when we removed the maxiflo valve. Feel like things are not correct. Help! 
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Cleaning Hayward sand filter
- Thread starter ShrinerManSC
- Start date
- Jun 22, 2014
- 48,011
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Sand should come about 2/3 full in the vessel. If you lifted the laterals up while doing maintenance, I'm afraid you'll have to remove the sand to get them back down to the bottom. 
If you go that far, might as well pull them all the way out and inspect them really well for damage. Remember to add about a foot of water before dumping the sand back in to protect the laterals from the weight.
If you go that far, might as well pull them all the way out and inspect them really well for damage. Remember to add about a foot of water before dumping the sand back in to protect the laterals from the weight.
Thank you. Laterals look good. We had started taking the sand out. Oh my!! NastySand should come about 2/3 full in the vessel. If you lifted the laterals up while doing maintenance, I'm afraid you'll have to remove the sand to get them back down to the bottom.
. Should we add any chlorine to the filter? I found this because I was in the middle of a SLAM and was not getting 2 off the 3 tests. Dead algae in the bottom of the pool and loosing chlorine over night.
- Jun 22, 2014
- 48,011
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
If you completely emptied the filter to inspect the laterals, the sand should be fine as long as it didn't appear to be gummy or clumped which could be a result of someone using floc or clarifiers in the past. But if you go the vessel all clean and the sand looked like normal, gritty/fluffy etc, then you are good-to-go. Continue with the SLAM Process and you should do well.
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