In the design, I can well imagine that it can lead to leaks. The construction and leave the hard plastic suspect from vibration and chemical leaks between the transparent and incurred by the non-transparent part could. So I would at least tell me the negative reviews of others.
I can not complain until now anyway and forgive the full marks for price and performance until I disabused will.
2015-06 Update: The thermometer has already gone into the second swimming season. So far, it is tight and continues to show correctly.
