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lara31 [8.8K]
3 years ago
9

Technician A says that coolant freeze protection can be measured with a

Engineering
2 answers:
Naya [18.7K]3 years ago
8 0
Technician B

It can be argued a hydrometer can also be used.

However, most hydronic systems using either ethylene or propylene glycol will get most accurate reading with a refractometer.
Diano4ka-milaya [45]3 years ago
4 0
Answer: Technician A, I think
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