MIL-HDBK-1164
Table 53 (Continued)
Possible Cause
Symptom
of Trouble
Remedy
Algae: chlorine too low
Maintain proper chlorine residual. If
Discolored side
adjustment of chlorine residual does
walls or bottom:
not adequately remove the problem,
green
drain pool and scrub walls and
bottom with 5 mg/L chlorine solution.
Rinse well before refilling pool.
Copper corrosion: pH low Adjust pH by adding soda ash;
maintain Langelier saturation index
within recommended range.
Discolored side
Iron corrosion:
Adjust pH by adding soda ash;
walls or bottom:
pH low
maintain Langelier saturation index
rusty
within recommended range. If
problem is severe, drain pool and
scrub walls with strong soap
solution. If soap fails to remove
stain, scrub with 2 to 5 percent
solution of muriatic acid. Rinse well
and refill pool.
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. If problem is severe,
drain pool and scrub with strong
soap solution. If soap fails to
remove stain, scrub with 2 to
5 percent solution of muriatic acid.
Rinse well and refill pool.
Eye irritation
pH low
Adjust pH by adding soda ash.
Chlorine high
Adjust chlorinator to maintain proper
chlorine residual.
249
Previous Page
