Hanna HI713-25 Phosphate Checker Reagents Marine and Fresh Water

Hanna HI713-25 Phosphate Checker Reagents Marine and Fresh Water

Hanna HI713-25 Phosphate Checker Reagents Marine and Fresh Water are phosphate reagent refills for the handheld Hanna Low Range Phosphate Checker HI713. Each set provides reagents for 25 tests, so aquarium and pond keepers can keep checking phosphate without interruption. They are suitable for both marine and freshwater use.

Key Benefits

• Refills your Hanna HI713 Low Range Phosphate Checker so you can keep testing.
• Provides enough reagents for 25 phosphate tests.
• Works in both saltwater and freshwater, so one refill covers reef tanks, marine fish-only systems and freshwater aquariums.
• Designed to pair with the easy-to-use handheld HI713 Checker, a compact way to monitor phosphate at home.
• Regular phosphate checks help hobbyists spot rising nutrient levels and adjust water changes, feeding or filtration before problems build up.

How to Use

Use these reagents with the Hanna HI713 Low Range Phosphate Checker. Follow the testing procedure for the HI713 Checker for each of your 25 tests.

Suitable For

• Marine aquariums, including reef and fish-only systems
• Freshwater aquariums
• Hobbyists who already own the Hanna HI713 Phosphate Checker and need replacement reagents

Compatibility

These refills are made for the Hanna Low Range Phosphate Checker HI713. Check your meter's model number before ordering to make sure it is an HI713.

Specifications

• Brand: Hanna
• Product code: HI713-25
• Parameter: Phosphate (low range)
• Water type: Marine and fresh water
• Number of tests: 25
• Compatible with: Hanna HI713 Low Range Phosphate Checker

What's Included

• Phosphate reagents for 25 tests

Frequently Asked Questions

Does the HI713-25 include the Phosphate Checker?
No. The HI713-25 is a reagent refill for the Hanna HI713 Low Range Phosphate Checker. You need an HI713 Checker to use it.

How many tests do I get from one set?
Each HI713-25 set provides reagents for 25 phosphate tests.

Can I use these reagents in my reef tank and my freshwater tank?
Yes. The HI713-25 reagents are intended for both marine and fresh water, so one refill covers both types of system.

Will these reagents work with other Hanna Checker models?
They are designed for the Hanna Low Range Phosphate Checker HI713. Other Hanna Checkers use their own dedicated reagents, so match the reagent code to your meter.

Why should South African fishkeepers test for phosphate?
Excess phosphate is a common driver of nuisance algae in aquariums. Testing both your tank water and your tap or source water with the HI713 Checker shows where phosphate is coming from, so you can adjust water changes, feeding or filtration.

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.*

Search a PUDO Location Near You

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.