Hanna HI783 Magnesium Colorimeter Marine Checker

Hanna HI783 Magnesium Colorimeter Marine Checker

Hanna HI783 Magnesium Colorimeter Marine Checker is used to measure magnesium levels in saltwater environments to ensure a healthy marine aquarium system.

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. 

• Ideal for saltwater aquariums, marine biology, and aquaculture applications
• Easier to use and more accurate than other chemical test kits
• Color-coded syringes for simple and effortless testing
• Dedicated to a single parameter
• Simple one-button operation
• Large LCD digital readout for added convenience
• Auto shut-off to ensure the battery won't be drained
• Compact size for easy travel and storage

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.

When can I expect delivery?

• Gauteng (Jhb/Pta) - 1-3 working days
• Nationwide (Cpt/Dbn+) - 2-5 working days
• Outlying Areas - 3-7 working days

All orders are sent via Economy Road, typically through Fastway or Internet Express Couriers*. Estimated timeframes are not guaranteed. Once the order is collected by the courier, we have no control over third-party logistics and cannot make any time promises.

If you prefer a faster 🚀 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. Please pay careful attention to the cutoff times and delivery timeframe for these options during checkout.

Enjoy the convenience of collection points and lockers! 📦

No more waiting at home or at work for your delivery. Simply choose a collection locker or pickup point and collect your order when it suits you.

Delivery times to lockers and pickup locations typically range from 2–7 working days, depending on your location.*

Collection timeframes:

• Bob Box: Collect within 2 days of receiving your collection notification.
• PUDO Lockers: Collect within 36 hours of receiving your collection PIN or SMS notification.
• Pargo Pickup Points: Collect within 5 days of arrival at the pickup location.

If a PUDO parcel is not collected within 36 hours, it will automatically be transferred to the nearest PUDO Kiosk or Depot at no additional cost. The parcel will then be held there for approximately 14 days before being returned.

Please ensure you collect your parcel within the applicable collection period. Uncollected parcels will be returned to the sender, and additional shipping charges may apply should the order need to be resent.