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Battery Type/Life: 1
and ducting
and increased if the light intensities are higher
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Hanna Combo HI98129 pH/EC/TDS/Temperature Tester with Low Range EC pH Testers Battery Type/Life: 1The HI 98129 Combo waterproof tester offer high accuracy pH, EC TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy to read, dual level LCD and automatic shut off. pH and EC TDS readings are automatically compensated for the effects of temperature (ATC). This technologically advanced tester has a replaceable pH electrode cartridge
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