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Controllers & Monitors

Aquarium Supplies

Aquarium Controllers & Monitors

Aquarium controllers are a convenient way to keep an eye on the various water parameters in your aquarium. Monitors allow continuous readings of your aquarium’s pH, ORP, salinity and temperature. A controller is monitor, too, but it also includes an electrical outlet that can be used to turn on or off components.

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  1. Hanna Instruments Waterproof pH Tester with Replaceable Electrode w/ accuracy ±0.05 pH

    Hanna Instruments Waterproof pH Tester with Replaceable Electrode w/ accuracy ±0.05 pH

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    When HANNA instruments introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep`s ease-of-use in combination with its affordability made it possible...
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    $101.49
  2. Hanna Instruments DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

    Hanna Instruments DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

    Temperature is important to all creatures. A lot of animals depend on temperature to determine the activities they’re supposed to do. The case for sea animals are the same. For example, fishes in the temperate zone swim to the sur...
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    $103.99
  3. Hanna Instruments Replacement Electrode for HI98121, HI 98127, HI 98128, HI98129, HI98130

    Hanna Instruments Replacement Electrode for HI98121, HI 98127, HI 98128, HI98129, HI98130

    Spare electrode for HI 98121, HI 98127, HI 98128, HI 98129 and HI 98130
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    $55.49
  4. Hanna Instruments pH Electrode Ultem Body, Dbl Junction, Gel Filled, Teflon Junction, BNC, 1m Cable

    Hanna Instruments pH Electrode Ultem Body, Dbl Junction, Gel Filled, Teflon Junction, BNC, 1m Cable

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    Determining the pH level of your ponds and tanks is easy with the use of the Hanna Instruments Ph Electrode Ultem Body from Pet Store . The spare electrode device measures pH levels and is often used for the treatment of water, f...
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    $51.49
  5. Hanna Instruments 1382 ppm TDS Solution 20 ml Sachet (25pcs)

    Hanna Instruments 1382 ppm TDS Solution 20 ml Sachet (25pcs)

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    Are you looking for a good pH calibration solution at a convenient pack? Hanna Instruments 1388 PPM TDS Solution 20-ml sachet (25 pieces) from Pet Store is just the ticket! This small packet of liquid is a must-have when calibra...
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    $26.49
  6. Hanna Instruments pH 7.01 Calibration Solution, 20 ml Sachet (25pcs)

    Hanna Instruments pH 7.01 Calibration Solution, 20 ml Sachet (25pcs)

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    When it comes to adjusting your devices to monitor the flow and amount of substances that are present in your aquarium water, the Hanna Instruments Ph 7.01 Calibration Solution from Pet Store is truly a product, which you should...
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    $26.49
  7. Hanna Instruments Waterproof pH Tester with Replaceable Electrode w/ Accuracy ±0.1 pH

    Hanna Instruments Waterproof pH Tester with Replaceable Electrode

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    When HANNA instruments introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep`s ease-of-use in combination with its affordability made it possible...
    FROM ONLY
    $88.99
  8. Hanna Instruments Waterproof pH Tester with Replaceable Electrode w/ Accuracy ±0.1 pH

    Hanna Instruments Waterproof pH Tester with Replaceable Electrode w/ Accuracy ±0.1 pH

    When HANNA instruments introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep`s ease-of-use in combination with its affordability made it possible...
    ONLY
    $88.99
  9. Hanna Instruments Combo pH/EC/TDS/Temperature Tester with Low Range EC

    Hanna Instruments Combo pH/EC/TDS/Temperature Tester with Low Range EC

    Aquarium water needs to be tested regularly to ensure that it remains to be a healthy environment for the aquatic life it carries. Such tests include checking the pH levels, the temperature, electrical conductivity (EC), total d...
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    $160.49
  10. Hanna Instruments Low Range Phosphate Meter

    Hanna Instruments Low Range Phosphate Meter

    Phosphates are particularly important for the growth and development of plant roots, and hence are one of the most common fertilizers used in agriculture. In addition, phosphates are usually utilized in detergents and are needed, ...
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    $222.99

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