I noticed you told another member to backwash for 3-5 minutes. If I
were to backwash for that long, I’d have to fill up the pool again to
finish backwashing and then fill it AGAIN to start filtering. Is that
what I’m supposed to be doing? If so, I need to get rid of the pool
because I have well-water and it gets really dry here in the summer.
Are there other alternatives?
-j
response to electricjet about backwashing
November 23rd, 2003 · 1 Comment
Tags: pumps
1 response so far ↓
1 janis_40 // Nov 24, 2003 at 6:21 am
Granted that is a lot of water but most people backwash to often. The
filters come with a guage on the side that reads tank pressure. When the
system is first installed the reading should be taken and logged as the
baseline pressure and the filter should be backwashed when the pressure
increases between 8-10 pounds. If that happens more than every couple of
weeks then the filter is to small or the sand is really dirty and needs to be
changed. The other alternative is one that I like, a multi cartridge filter.
Hayward and Pentair both make excellent models but they are not cheap.
Depending on the size of the pool you may use a model from 300 to 550 square
feet. These may require cleaning every six months or so and if you purchase
an extra set of cartridges you can swap the dirty set for the clean set and
be back in operation in several minutes. The next step is to allow the dirty
set to dry. When the wet dirt dries it shrinks and becomes dust that can be
knocked or brushed out of the filter. Then it is ready to go. No washing
needed you save water. The technique is directly from the mouth of the
UNICEL rep. Also with this technique the cartridges last longer. You may
get as much as six or so years out of a set of filters. The catch is that
the initial setup may cost as much as $800 to $1000. But it will filter much
better than sand ever could and almost as well as DE without the mess.
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