BlueLab Combo Meter

MSRP:$308.00  Our Price: $240.24Save: $67.76

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The Bluelab Combo Meter is a conductivity, pH, and temperature meter all in one. It comes with a pH probe and conductivity and temperature probe. Just place it into the solution and the selected reading is displayed on screen. The Bluelab Combo Meter is portable and does not require a power supply. Calibration of the pH is very easy using the push buttons on the meter and fresh Bluelab calibration solutions. Conductivity and temperature do not need to be calibrated as they are locked in during manufacture. Select display options for temperature (C or F), and EC, CF, TDS, or ppm (700).

  • Model: BLU2300E
  • Shipping Weight: 2lbs
  • Brand: Bluelab
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Q: Why are PPM, TDS, pH and EC important?
A: PPM and TDS are abbreviations that represent the concentration of elements in a solution or atmosphere. PPM is short for parts per million and TDS for total dissolved solids. EC (electro conductivity) is another form of measurement for TDS. PH is a measure of acidity or alkalinity which dictates plant uptake of particular elements.

Q: My pH meter doesn't hold calibration. How often should I recalibrate it?
A: pH meters do need to be calibrated by the user every day since the membrane does change and is affected by the temperature as well. If pH values are very critical then it will need to be recalibrated several times a day, or before each sample test (depending on how critical the value is). Uncontaminated calibration solution is very important as well. For each calibration, pour some solution in a separate container. Keep out of sunlight and away from heat.

Q: What is the suggested pH range for my hydroponic system and soil plants?
A: Hydroponic and soil gardens differ in the fact they both need different pH ranges for nutrients to be made available for plant absorption. Maintain a pH between 5.0 and 6.5 for hydroponic gardens and 6.0 to 7.0 for soil applications.
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