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A wide range of fishkeeping books available from TMC Publishing |
Aquarium ProductsThermometers, Hydrometers & Refractometers
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High resolution scale |
Simple focus adjustment |
Wipe clean lens |
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Easy to calibrate |
Simple water application |
These are hand made by experienced craftsmen and as they are based on principal physics, with no electronics, they never need to be recalibrated and will not break down.
Precise to 0.0005 Calibrated at 77º F.
Precise to 0.2° - For fresh and salt water.