MIL-HDBK-1164
Table 53
Troubleshooting Checklist for Swimming Pools
Possible Cause
Symptom
of Trouble
Remedy
Cloudy water
Poor coagulation and
Establish correct alum dosage;
filtration
backwash filters and apply fresh floc
to filters; maintain proper chlorine
residual.
Cloudy water:
Algae: chlorine too low
Maintain proper chlorine residual.
greenish
Copper corrosion: pH low Adjust pH by adding soda ash;
maintain Langelier saturation index
within recommended range.
Cloudy water:
pH low
Adjust pH by adding soda ash.
milky
PH high in hard waters
Adjust pH by adding sodium
bisulfate or dilute hydrochloric acid.
(Note: Use of these chemicals is for
special cases only and requires
permission of base medical officer.)
Too much alum
Reduce alum dosage.
Defective diatomaceous
Repair or replace.
earth filter element
Cloudy water:
Iron corrosion:
Adjust by adding soda ash; maintain
rusty
pH low
Langelier saturation index within
recommended range.
Iron in makeup: poor
Establish correct alum dosage;
filtration
backwash filters and apply fresh floc
to filters; maintain proper chlorine
residual. Ensure filters are in proper
operational order by conducting
required inspection and
maintenance.
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