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Dosing Range: 5mL to 50mL
The Kraken's internal charger can be disabled if you prefer to use a battery charger
Read the test results by matching the color of the solution against those on the Nitrate Test Color Chart
- specific gravity
Fast and accurate temperature readings
Lab Grade Dissolved Oxygen Probe plumbing Dosing Range: 5mL to 50mLLab Grade Dissolved Oxygen Probe for Neptune PM3 Module. The price of the probe isn't all that cheap compared to the traditional probes we use in this hobby, but this probe can easily last you a lifetime because the actual sensing membrane is replaceable. About every 3 months you will need to replace the membrane within the probe, which can be done in a matter of minutes and is very economical. After replacing the membrane the probe will function as