Blue Devil 8" Floating Thermometer
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$9.99
Blue Devil 8" Deluxe Floating Thermometer
2-in-1 style thermometer is ideal for spas and swimming pools:
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Snap-on cap easily converts it to a floating thermometer.
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Remove cap and it submerges.
Spa users, yellow caution area indicates temperatures in excess of 104° F / 40° C.