This is a bad idea. Diatomaceous earth (de) will go right through a sand filter. It will end up back in the pool and then it is almost impossible to get out. Sand goes in sand filters, de goes in de filters.
how do you clean jacuzzi sand filter, and replace sand
distinguish between slow and rapid sand filter
Nothing if its a sand filter However if sand is coming into the pool from the filter then you may have to replace one ore more laterals in the sand filter as they have worn and are letting sand through to the pool,
Do you mean how do you install a sand filter?.
Im not an expert by any means but what I know is that with a sand filter system if your pump is not the corect HP for the filter it will push dibris and sand right back into the pool answer:: That may be true in remote cases where the system was not installed correctly or had well balanced/matched equipment. The correct answer would most likely be that you have a broken lateral(s) which allow sand to pass back to the pool. It is best to find the correct type lateral for your specific filter. Some manufacturers have made modifications to same model filters as production and technology progresses. Replacing the lateral required turning the equipment off and making sure it will not come back on while it is being worked on. Removing the filter top or valve assy. Removing all sand, finding the damaged lateral(s), replacing lateral, replacing the sand with new sand in the correct manner, replacing the valve or filter top and starting the equipment and backwashing the filter to reduce the dust blow back K
Filtration. Place a glass funnel over a beaker, and put a circle of filter paper inside the funnel. Pour the sand-water mixture into the filter paper. The sand should get trapped by the paper, but the water should seep through into the beaker.
differentiate between slow and rapid sand filters
Sandstone is the rock that results when sand liquefies.
If you have a sand filter the laterals in it may be starting to show signs of wear these wil blow sand from the sand filter into the pool when they wear out.
You should not use Aqua Perl (Which is a Expanded Perlite Filter Media), or DE filter media in a sand filter. Here are a few reasons: 1. The Aqua Perl will come out every time you backwash your filter (it is much lighter and has a certain percentage of "floaters" (material that floats on top of water). 2. There are very small particles in both Aqua Perl and DE that may get into your swimming pool causing a "cloudy" effect. 3. Sand is much more permeable than Aqua Perl, and you will get a lower flow rate than with sand. The pressure will be higher as well. 4. A sand type filter is not designed for either Aqua Perl or DE. To use this type of filter media you need a DE type filter. Using a DE type filter will give much better results than with sand.
The amount of sand used in a sand filter for a pool typically ranges from 100 to 300 pounds, depending on the size and capacity of the filter. It is important to follow the manufacturer's recommendations for the specific sand filter being used to ensure optimal filtration performance.