When can I expect delivery?
Gauteng (Jhb/Pta) deliveries typically take 2-4 working days, while nationwide deliveries can take 3-7 working days, depending on your location. Local and standard nationwide deliveries are shipped via Economy Road 🐌, usually through Internet Express Couriers.
If you prefer a faster 🚀 and more reliable shipping option, we also offer The Courier Guy during checkout in the dropdown selection. Please note that this option is not free, and you must choose it to use it.
If you're looking for a convenient way to pick up your order, PARGO offers over 4,500 locations nationwide through participating outlets.
How long does it take?
While PARGO is convenient and affordable, it's important to note that it is not the fastest shipping option. Parcels can take anywhere from 3 to 7 working days* to reach their destination!
No more waiting at home or work for deliveries! ⏰ Now you can pick up your orders from a locker location while you continue with your day. Depending on your location, delivery times to a Bob Box Locker can take between 3 to 7 working days!*
Magnesium is a crucial element in saltwater environments, as it allows calcium and carbonate to be bioavailable for corals and other invertebrates. Therefore, consistent and accurate testing of magnesium levels in your marine aquarium is vital to ensure a healthy and thriving system.
The HI783 Magnesium Checker HC by Hanna Instruments provides a simple, accurate, and affordable way to measure magnesium in saltwater/marine environments. Its color-coded syringes and straightforward testing strips ensure quick and hassle-free measurements, every time. With a digital readout, there is no more struggling to determine colors visually.
Specifications
Range: 1,000 to 1,800 ppm Magnesium
Resolution: 5 ppm
Precision: ±5% of reading @ 77°F (25°C)
Light Source: LED @ 610 nm
Light Detector: Silicon photocell
Environment: 0 to 50°C (32 to 122°F); max 95% RH non-condensing. The prepared sample cuvette (sample plus reagents) must be 18 to 28 °C (64 to 82 °F).
Battery Type: (1) 1.5V AAA
Auto-off: After 10 minutes of non-use
Dimensions: 86 x 61 x 37.5 mm (3.4 x 2.4 x 1.5")
Weight: 64 g (2.3 oz.)
Method: Adaptation of the colorimetric EDTA method using calmagite indicator. The reaction between magnesium and the reagents causes a blue to violet tint in the sample.
Interferences: Calcium below 300 ppm and above 500 ppm
Reagent Set: HI783-25 (25 tests)
Calibration Set: HI783-11
What’s Included?
1x HI783 Marine MagnesiumChecker HC
1x Carrying case
1x Sample cuvette and (2x) caps
1x Marine Magnesium Starter Kit (reagents for 25 tests)
1x 1mL graduated syringe and tip
1x 5mL Syringe and tip with black printing
1x 5mL Syringe and tip with blueprinting
1x 1.5V AAA Alkaline battery
1x Instruction manual
1x Quick reference guide
Terms of Sale: Please take the time to thoroughly understand and familiarize yourself with this test kit before purchasing, as the unique nature of this product means that we are unable to accept returns.
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