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accumulates, decreases increases
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1 Main drain purpose
2 the volume of water going through filter system is measured
There are complaints of red eyes in the swimmer nd chlorine odors are present. the
3 alkalinity is 100ppm, the harness is 240ppm, the ph is 7.4 and the chine level is 1.0 what
should the pool operator do
4 as dirt in the filter _____ the flow of water going through the filter _____ while filter pressure ____
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Terms in this set (79)
remove sediments and is located at the deep end of the
Main drain purpose
pool
, the pressure differential 10 psi
pressure between gauges
on a pressure filter
shouldn't exceed
which of the following sunlight hot weather and high bather load
conditions attribute to
accelerated growth of
algae in a pool
chlorine can be used in gas liquid powder
which of the following
forms
There are complaints of red shock the pool with chlorine
eyes in the swimmer nd
chlorine odors are present.
the alkalinity is 100ppm, the
harness is 240ppm, the ph
is 7.4 and the chine level is
1.0 what should the pool
operator do
to raise ph what may be soda ash
adde to the pool
low calcium hardness in the corrosion of the pool fixtures
pool water will cause
bromine is sometimes used it is more stable at a higher temperature than chlorine
as a disinfectant because
components and materials ansi/nspa standard 5
used for commercial
swimming pools spas and
hot tubs must comply with
what standard
a pool should be free from floating debris, sediment and dirt, algae
a shepherds hook must be 16 foot one piece pole
attached to a
the process of removing suspend particles form the
filtration is
water