yes you can, the sand pump cleans the pool, making it look amazing!!
sodium chloride
Sure, you CAN, but why would you want to? The purpose of the salt in a saltwater system equipped pool is to provide the chlorine the saltwater system generates. It would be the same as having a saltwater system pool that the saltwater system went bad and you just installed an inline chlorinator in the plumbing instead of replacing the saltwater chlorine generator system so you could add chlorine with the tablets.
A chlorine generator, also known as a salt generator, is an addition to a pool pump and filter system that converts salt to chlorine. It is another method of adding chlorine to a swimming pool. You will still need a filter, like sand, to filter dirt and debris from the swimming pool.
Pray for a salt water system
Yes it wont make any difference at all.
Muratic acid or Sulfaric acid
Yes, you can use all-natural solar salt in your pool. Solar salt is a type of salt that is specifically formulated for use in saltwater swimming pools. It dissolves easily and provides the necessary chlorine for sanitizing the pool water. However, it's important to follow the manufacturer's guidelines for the proper salt levels in your specific pool system.
There will no issues with the water pump. Most pools don't really use salt water they put salt in the water and have a chlorinator that zaps the salt turning it into Chlorine. Salt is a bit hard on gas heaters though. I like to use heat pumps made out of titanium when I have salt systems in the water.
No
You do need to add something to your already existing filter system that changes salt into chlorines so that it sanitizes your pool. The name of that device is a salt water generator. It consists of a cell plumbed in after your filter and an electrical control system that monitors the cells performance.
Use filtration to separate the sand from the water and salt. Then use evaporation to separate the salt from the water. Use distillation to evaporate the water, leaving the salt behind. Then use filtration to separate the remaining sand from the salt.
This sounds as thought the laterals in your sand filter are worn. Laterals are horizontal spokes at the bottom of your sand filter with tiny holes in them that let water through but not sand. After a time the holes get enlarged and start allowing sand through and back into the pool