turn you multi port valve to back wash before starting filtration.
If your pump is throwing sand back into the pool from the filter, you more than likely have a cracked or broken lateral (finger). To check, remove all sand from you filter and pull the center pipe and laterals out of the tank and check all pieces to make sure there are no cracks. If a crack is found, replacements can be purchased from you local pool store.
Or:
You did not cover the stand pipe at the top of the filter. Try backwashing a few times and monitor the amount of sand returning to the pool. If there is less coming back you may not have to do much more. If it continues but only slightly diminished then you may have to remove the sand, remove the stand pipe, check the laterals for broken parts, replace if needed, clean the area at the base of the laterals where the stand pipe threads in, install the stand pipe, cover the top opening of the stand pipe with tape or a plug, add water to the tank - to about half full, then add the #20 silica sand - no other grade sand will work. The rest -- you already know how to do.
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how do you clean jacuzzi sand filter, and replace sand
140# of sand is required.
http://www.poolsinc.com/jacuzzi-bros-laser-160l-190l-225l-250l-parts.html
What is a normal operating pressure for a jacuzzi sand filter for an above ground pool?"
There are three types of filters - Diatomaceous Earth Filters, Sand Filters, and Cartridge Filters.
Every year
To remove the filter on the Jacuzzi, turn the filter counterclockwise until the hand can reach in enough to pull it out of the bucket. When putting in a new filter, turn it clockwise.
of course. you should change your sand every 8-10 years. use a shop vac to get it out.
Some of the most popular jacuzzi filter cartridges seem to be Unicel, Pleatco , Filbur Triclops and Hayward. You also find other brands at these links: http://www.thefind.com/garden/info-jacuzzi-filter-cartridge AND http://www.saveonpoolsupplies.com/filtercartridges/default.aspx
When you say sand, I take it you mean in the sand filter. Yes, normally change the sand or clean the DE filter when we change the liner since it most likely has been some time since it was changed..
To effectively clean a jacuzzi tub and keep it hygienic, regularly scrub the surfaces with a non-abrasive cleaner, rinse thoroughly, and sanitize with a jacuzzi-specific cleaner. Also, clean the filter, change the water regularly, and follow manufacturer's instructions for maintenance.
A good way for getting sand out of a sand filter is to get a sand venturi with this attached to the end of a garden hose you will be able to suck all of the sand out of the unit easily. Check with your pool shop as they may be able to sell, hire or lend one to you.