The 6 Best Hanna Checker reagents (2023 reviews)

The reagent is a must have addition for your daily usage. The HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per billion phosphorus. These reagents are designed to be used with samples that have an expected range of 0.00 to 0.90 ppm phosphate. It is good in the 1-5 nitrate range. It is very convenient to use and the results are always correct.

Why We Like This:

Easier to use and more accurate than chemical test kits
Pre-made reagents for ease of use
Delivers what they promise

Best Runner up: Hanna Checker reagent

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If you are currently in the market searching for a feature-filled reagent for your daily usage, you cannot go wrong with this product.

Why We Like This:

One of the new comers and featured product
Lot of satisfied buyers

Best Checker: Hanna Instruments great little tester

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Compared with other products by Hanna Instruments, the hanna instruments great little tester has a convenient design. This colorimeter is definitely a staple in any reef keeper's test kit. It measures simply to get back to stable. It can be used by researchers, manufacturers, and individuals to measure phosphate levels in the environment, and in the home. This means you have to time things right and have the reagent powder ready to go so the meter won't auto shut off on you.

The scoop fits perfectly in the Checker HC case box. This works, and there's no ambiguity when reading it, unlike the colorimetric tests. These tests are easy to use, but you will have to calculate teh results for dosing on your own.

Why We Like This:

Spill free and easy to use
Good for reef aquariums and freshwater
713 phosphate test kit (not for reef/marine) applications
A must have for any one with a saltwater tank

Best for small operator: Hanna Instruments powder reagent

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If you often find yourself scrambling for convenient and suitable reagent, this product is your solution. It is a common disinfectant for water, and ensuring proper levels is important in many situations such as swimming pools, sanitation, and drinking water. It allows to measure chloramines with a previous treatment of the sample with potassium iodide. It is a portable handheld meter for measuring chlorine in natural, waste, recreation, and drinking waters.

Compared to the HI 729 Fluoride test, this one is really simple. The opening to the bottle is so small it needs to be shaken to empty water from it. It is easy to use and read especially in the field. It is perfect for a small operator.

Why We Like This:

Auto shut-off to extend battery life
Single button operation for ease of use
Is very ease of use and instructions are easy to follow
Six powder reagents for free chlorine

Best for freshwater tanks: Hanna Checker reagent

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The hanna checker reagent is satisfactory and appropriate and fits well with your daily usage. The Hyanna Instruments hi 721 checker hc handheld photometer is a portable tester for monitoring iron levels. It can be used in water and soil analysis to monitor iron in ground water and industrial, agricultural, and mining run-off. The sample bottle and added powdered regent have to be shaken intermittently for three minutes. It uses light passing through the glass to determine levels once regent has been properly added. It powers off automatically requiring a retest if you miss the results.

This is a nutrient that is supplemented since it is not naturally present in fish tank water. It is accurate and super simple to use.

Why We Like This:

Auto-off function to extend battery life
Work above a disposable surface (paper towel) or one that's easily cleaned
Good brand reputation

Best Premium: Hanna Instruments portable meter

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The hanna instruments portable meter is capable of outshining several other products featured in this list in long-lasting features. Hanna Instruments holds many firsts in the field of analytical instrumentation, including a pH electrode with a built-in temperature sensor, an electronic pocket-sized pH tester, and a replaceable electrode pH pocket tester. It operates in temperatures from 0 to 50 degrees C (32 to 122 degrees F)/RH max. It is a portable meter for measuring chlorine in natural, waste, recreation and drinking waters.

The device operates on one 1.5V AAA battery, with an auto-off function that shuts off the device after two minutes of non-use. It is used for monitoring quality control in many applications such as swimming pools, sanitation, and drinking water.

Why We Like This:

Large lcd screen for readability, auto shut-off to extend battery life
Lot of satisfied buyers