Hanna Instruments Phosphorus Colorimeter Checker HC
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Hanna Instruments Phosphorus Saltwater Checker - A Smarter Saltwater Test Kit for Accurate Results
Let’s be honest—reading a phosphorus test kit shouldn’t feel like you’re deciphering a mood ring. That’s where the Hanna Instruments Phosphorus Saltwater Checker shines. Designed for reefers who are tired of squinting at color charts under bad lighting, this handheld device gives you a clear, digital reading—every time.
Whether you’re troubleshooting algae growth or dialing in nutrient levels for coral health, this compact saltwater test kit delivers precise phosphorus results in seconds. No guessing. No eye strain. Just real data when it matters most.
Stop Guessing — Use the Reliable Hanna Instruments Phosphorus Test Kit Instead
High phosphorus? Say hello to algae blooms, low oxygen, and stressed-out fish. With the HI736 Checker® HC, you're no longer winging it.
This isn’t your average off-the-shelf chemistry set. It’s built for reefers, aquaculture pros, and water quality nerds who want real numbers—not a “maybe purple” shade on a paper strip.
Why the Hanna Instruments Phosphorus Saltwater Checker Works:
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Gives direct digital readings with no color matching required
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Measures ultra-low phosphorus levels with 1 ppb resolution
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Small enough to fit in your test kit box, reliable enough for lab-style accuracy
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Perfect for reef tanks, hatcheries, and any sensitive saltwater system
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Runs on a single AAA battery and fits in the palm of your hand
How to Use the Hanna Phosphorus Saltwater Checker (And Actually Enjoy It)
If you’ve ever used a clunky test kit with 10 steps and a blurry color chart, this will feel like a breath of fresh air.
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Add reagent to your saltwater sample
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Insert the cuvette into the checker
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Press one button
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Get your phosphorus reading in under a minute
No drama. No double-checking with a flashlight. Just results.
Hanna Instruments Phosphorus Saltwater Checker – Tech Specs You’ll Actually Care About
| Feature | Detail |
|---|---|
| Phosphorus Range | 0 to 200 ppb |
| Resolution | 1 ppb |
| Accuracy | ±5 ppb ±5% of reading |
| Light Source | LED at 525 nm |
| Detection Method | Ascorbic-Acid (Standard Methods 20th ed.) |
| Battery | 1 AAA battery (included) |
| Auto-Off | After 3 minutes idle or 2 minutes post-read |
| Operating Temp | 32°F to 122°F (Max 95% humidity) |
| Dimensions | 3.2″ x 2.4″ x 1.5″ |
| Weight | 2.25 oz |
What’s in the Box?
The HI736 Checker® HC comes with everything you need to start testing right away:
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(2) sample cuvettes with caps
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Starter reagent kit for 6 tests
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1.5V AAA battery
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Step-by-step instructions
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Quick start guide
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6-month manufacturer warranty
Why Every Reef Tank Needs a Reliable Saltwater Phosphorus Test Kit
If you’re serious about maintaining stable phosphate levels, stop playing the color-guessing game. The Hanna Instruments Phosphorus Saltwater Checker gives you data you can trust, so you can focus on growing coral, not battling nuisance algae.
For reefkeepers chasing that clean, balanced nutrient zone—this is your new favorite tool.
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