Cycles
Higher cycles can save water but increase scaling and corrosion risk; conductivity and chemistry should guide blowdown.
Cooling Tower Engineering Guide
Engineering reference for cycles, scale, corrosion, microbiological control and blowdown.
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Treatment
Scale inhibitors, corrosion inhibitors, biocides and dispersants are selected from water chemistry and metallurgy.
Housekeeping
Clean basins, fills and distribution systems support chemical control and heat-transfer performance.