Mastertronic Essential
Measures PO4 / NO3 / Ca / Mg / NO3/ dKH* / OLI
Mastertronic Essentials is the latest addition to our product range for automated water testing equipment. MT Essentials will be able to communicate with our other products such as Alkatronic, Dosetronic, Powertronic (smart power strip). and Solartronic (patented dynamic lighting fixture)
With the success of Mastertronic, our all-in-one auto tester which can test 6 parameters* such as dKH, Ca, Mg, NO3, PO4, OLI and controlling all these together with lighting intensity via Solartronic. This allows the best possible automation based on live data to make reefing simple.
Mastertronic Essential (MTE) allowed us to understand the needs of most aquarists, including freshwater users. We took the extra step and will be expanding our product line will continue to serve new and experienced users who need the full range of testing with a single unit.

Dimension: 31.5 (L) x 22.5 (W) x 35.0 (H) cm
What Mastertronic Essential tests for ....
Calcium (Ca) Accuracy / Precision (+/-): 6 mg/l / 6 mg/l.
These are the building blocks for the reef system and reefers aim to achieve a balanced level together with alkalinity. These two elements reacts slower than alkalinity and therefore regular measurements of Ca and Mg 2-3 times a week with keeping it in par will be sufficient but it is important to keep the BIG 3 (KH, Ca, Mg) in balance to achieve good growth and coloration.
Magnesium (Mg) Accuracy / Precision (+/-): 20 mg/l / 20 mg/l
These are the building blocks for the reef system and reefers aim to achieve a balanced level together with alkalinity. These two elements reacts slower than alkalinity and therefore regular measurements of Ca and Mg 2-3 times a week with keeping it in par will be sufficient but it is important to keep the BIG 3 (KH, Ca, Mg) in balance to achieve good growth and coloration.
Alkalinity (dKH) Accuracy / Precision (+/-) 0.1 dKH / 0.05 dKH.
Alkalinity (dKH) is the main element that is fast changing in a matter of hours. Just by monitoring dKH, you can know if other equipment is functioning correctly or not.
1) Calcium Reactor pump failing
2) Doser not running correctly
3) Lights not turned on (lights triggers dKH consumption)
4) Unbalanced of other elements (Mg/Ca)
OLI stands for (Organic Level Index) and is derived by Focustronic and is only available in Mastertronic. This measures the yellowness of the water in the system and gives a trend. When level is higher than normal, it indicates the tank may require some maintenance such as water and/or carbon change.
Phosphate (PO4)Accuracy / Precision (+/-): 0.01 mg/l / 0.005 mg/l.
Phosphate is part of the nutrient equation of a reef tank. It is important to keep it at an optimal range (0.05 – 0.1 mg/l). Too high or too low can cause imbalance and lead to coral bleaching or increased algae growth and eventually killing the corals in the system.
Nitrate (NO3)Accuracy / Precision (+/-) : 0.5 mg/l / 0.1 mg/l.
Nitrate being an important parameter with keeping stable nutrients in a reef system. When tested at same time of the day, it is a good indicator if nitrate gets out of balance. There are different rules with the ratio between N and P and with regular automated testing, this can be achieved easily.
Schedule your tests
Each parameter has its own page for all the controls based on the parameter. Setting a pre-defined schedule for each parameter and automated actions with Dosetronic, Powertronic, and even Solartronic. Powerful yet simple to use.


What our customers say


OLI Testing
OLI stands for (Organic Level Index) and is derived by Focustronic and is only available in Mastertronic. This measures the yellowness of the water in the system and gives a trend. When level is higher than normal, it indicates the tank may require some maintenance such as water and/or carbon change.
Internals
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Mastertronic Essential:
1. Proprietary pipette design with 12 independent nozzles
2. True All in one design with no parts being external including reagents
3. High accuracy specification (the only one that has released this data)
4. 2 hose connection with only 1 calibration required.
5. LCD display as in original Mastertronic.
6. Voice Commands at launch
7. Proven testing algorithm for high accuracy
8. Only multi tester compatible with 3rd party reagents
and proprietary reagents by Focustronic
9. Future proof and expandable with extra vials and stirrer
10. Relocation of waste pump to provide direct access to stepper pump.
11. Redesign of vial positions for easy access and visibility
Basic Specification:
• Measures PO4 / NO3 / Ca / Mg / dKH* / OLI
• High Precision Stepper and DC Pumps
• State of the art colorimetric photosensor
• Simple to use iOS and Android App (Wifi). Focustronic App
• Communicate with Alkatronic /Dosetronic/Solartronic/Powertronic:
local wifi b via router
• Dimension: 31.5 (L) x 22.5 (W) x 35.0 (H)

New Focustronic Reagent
Focustronic Reagents are made for the Mastertronic Essentials testing Machine. These are very High Resolution Reagents with consistent readings on the Essentials ! (Not Compatible with Mastertronic yet)
But Focustronic has also not restricted the MTE to only there reagents you can use off the self reagents as well, as a contingency so no need to stop testing.

Approx Tests per bottle.
Calcium (50ml, 50ml, 200ml) kit for 200 tests
Magnesium (50ml, 50ml, 200ml) kit for 83 tests.
Phosphate (150ml, 50ml) kit for 600 tests
Nitrate (100ml, 50ml) kit for 200 tests
Alkalinity (50ml, 100ml) kit for 133 tests.
Measurements data
Accuracy
NO3 +-0.5 mg/l
PO4 +-0.01 mg/l
Mg2+ +-16 mg/l
KH +-0.1 dKH
Accuracy
NO3 +-0.5 mg/l
PO4 +-0.01 mg/l
Mg2+ +-16 mg/l
KH +-0.1 dKH
Accuracy
NO3 +-0.5 mg/l
PO4 +-0.01 mg/l
Mg2+ +-16 mg/l
KH +-0.1 dKH
Approx time to do one test
NO3 30 min
PO4 20 min
Ca2+ 12 min
KH 8 mi
Mg2+ 12 min