The reasoning behind never changing your filter sand is the fact that dirty sand really filters a lot better than completely new sand. The flip part to the is after plenty of time the sand will no longer manage to filter the water sufficiently. From a manufacturer perspective it is strongly suggested that you replace the sand in your filter every 3-4 many years. This may optimize the effectiveness of the filter which help you to maintain neat and clear water.
Eliminating the sand with a store vacuum would be less difficult than scooping the sand out-by hand or with a little shovel. The sand in a classic filter can in fact be loaded with micro-organisms therefore it could be better in the event that you minimize your direct contact with the sand.
After getting rid of the old sand you'll want to add water to the container before incorporating new filter sand. This water helps to take in any influence associated with the falling sand on lateral system. Many expert contractors skip this step but that would never be suggested should this be very first filter sand change.
The kind of sand you increase the filter may be #20 silica sand that will be especially produced for filter media. This sand is between 40-50mm in diameter and it is available from most children's pool supply stores. Don't replace other forms of sand or you will most likely have problems with your filter and potentially harm the share additionally.
The actual quantity of sand that you enhance the filter will depend on how big filter you have actually. You really must be specific discover precise information on simply how much sand to utilize within filter. Over completing or underselling the filter will at the least result in the filter not to work correctly, as well as worst cause damage to the filter. Filter sand sizes vary usually from 100 or 150 pounds right around 600lbs or higher for huge pools.
Be sure to not ever get any sand in to the sandpipe which is wide open. It is difficult to obtain the sand in fact to the filter without setting it up when you look at the sandpipe so you might love to tape up the standpipe orifice to avoid this spilled sand from making it to the share through the return lines. Additionally it is crucial your sandpipe is right during the filter as after you have filled with sand you simply will not be able to adjust the position associated with sandpipe. If you don't centered you'll not be capable of geting the device head back in the filter and can need certainly to start yet again.
When full you can easily put the filter return on becoming sure it is tight enough. That is where a talented hand is helpful as you overtighten the filter mind you might really break the filter human body which will need replacement of this entire filter tank - anything you actually desire to prevent.
Once straight back together the very first thing you need to do is supply the filter an extensive backwash. You ought to begin this procedure by over completing the share and then backwashing for whenever 3 to 5 mins, followed closely by a 60 2nd rinse cycle before setting-to "filter".