Question
Save
Practice questions for this set
Learn 1 /7 Study with Learn
200, 400
Choose an answer
whole range chlorine in a pool: ____ to
1 2 salt used as a disinfectant (pH)
_____
ideal range of calcium hardness in a
3 4 types of solid chlorine 4
pool: ____ to ____
Don't know?
Terms in this set (127)
whole range chlorine in a 1, 5
pool: ____ to _____
ideal range chlorine in a 2, 4
pool: ____ to _____
whole range chlorine in a 2, 10
spa: ____ to _____
, ideal range chlorine in a 3, 5
spa: ____ to _____
calcium hypochlorite, lithium hypochlorite, trichlor,
4 types of solid chlorine
dichlor
liquid chlorine sodium hypochlorite (NaOCl)
how active is gas chlorine 100%
the active killing form of hypochlorous acid (HOCl)
chlorine in water
HOCl = ______ H+ (hydrogen ion) + OCl- (hypochlorite ion)
most common granular calcium hypochlorite (8.5 - 11, used to super chlorinate
chlorine (pH range) water)
not common form of lithium hypochlorite (10.8)
chlorine due to low active
strength (pH)
tablet/stick chlorine usually trichlor (2.8 - 3.5, lower alkalinity and pH over time)
used in erosion feeder (pH
- what will it do?)
salt used as a disinfectant dichlor (6.7 - common in vinyl lined pools)
(pH)
most common type of sodium hypochlorite (NaOCl - 13)
chlorine used (pH)
______ needs special training gas chlorine, 0, lower pH
to use and has a pH of ____
and will _____ when added to
water
chlorine is most effective as 7.5
a pH of _____
active disinfectant in the free chlorine (FC)
water
FC is determined by the DPD, 2, 4
______ test and is maintained
between ____ and ____ ppm