Hanna HI783-25 Marine Magnesium Reagents

Hanna HI783-25 Marine Magnesium Reagents

Hanna HI783-25 Marine Magnesium Reagents are pre-made replacement reagents for 25 magnesium tests with the HI783 Marine Magnesium Checker HC by Hanna Instruments. They are made for reef and marine aquarium keepers who already use the HI783 Checker and want a reliable supply of reagent for regular magnesium monitoring.

Key Benefits

• Pre-made, so the reagents are ready to use with the HI783 Checker.
• Made with high-purity chemicals to support consistent, dependable readings.
• Produced in Hanna's state-of-the-art manufacturing facilities.
• Each unit is clearly marked with a lot number and expiry date for traceability and quality assurance.
• Supplies enough reagent for 25 tests, enough for routine magnesium checks on a marine system.

Suitable For

• Saltwater and reef aquarium hobbyists across South Africa who track magnesium as part of their water-testing routine.
• Marine aquarists who own the Hanna HI783 Marine Magnesium Checker HC and need to restock reagents.

Compatibility

These reagents are made for the HI783 Marine Magnesium Checker HC by Hanna Instruments. If you use a different meter or test kit, check that it is the HI783 model before ordering.

Specifications

• Brand: Hanna
• Model: HI783-25
• Parameter: Marine magnesium
• Number of tests: 25
• Compatible meter: HI783 Marine Magnesium Checker HC
• Reagent type: Pre-made, prepared with high-purity chemicals
• Traceability: Lot number and expiry date marked on each unit

What's Included

• Hanna HI783 marine magnesium reagents for 25 tests

Frequently Asked Questions

Will these reagents work with any magnesium test kit?
No. The HI783-25 reagents are made for the Hanna HI783 Marine Magnesium Checker HC.

How many tests do I get from the HI783-25 reagents?
Enough reagent to perform 25 magnesium tests with the HI783 Checker.

Do I need to mix or prepare the reagents myself?
No. The reagents come pre-made for use with the HI783 Checker.

How can I tell if my reagents are still within date?
Each unit is clearly marked with an expiry date and a lot number, so you can check freshness before testing and trace the batch if needed.

Are these reagents suitable for freshwater aquariums?
These are marine magnesium reagents, intended for testing saltwater and reef aquariums with the HI783 Marine Magnesium Checker HC.

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.*

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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.

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 2 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.