Hanna Instruments HI735 / 735 – Marine Magnesium Colorimeter – Checker® HC

Hanna Instruments HI735 – Marine Magnesium Colorimeter – Checker® HC 🪸📏

Ensure proper magnesium balance in your reef with the Hanna Instruments HI735 Marine Magnesium Checker® HC. This handheld digital colorimeter gives you precise magnesium readings in parts per million (ppm), helping stabilize alkalinity and calcium for thriving corals. 🌊🔬

🌿 Essential for Coral Growth

Magnesium plays a vital role in maintaining calcium and alkalinity balance in reef aquariums. The HI735 makes monitoring simple, supporting SPS, LPS, and mixed reef systems where stability is key.

🖐️ Accurate, Easy Testing

Skip the hassle of traditional titration kits. Just add reagent, place the cuvette, and press a button—the HI735 delivers clear digital results in seconds.

🔗 Pairs with HI735-25 Reagents

Use with HI735-25 reagent refills (sold separately), which provide 25 tests per pack with pre-measured convenience.

🔑 Key Features

• Measures magnesium in saltwater from 1000 to 1800 ppm
• ±5% of reading accuracy @ 25°C
• Resolution: 1 ppm
• Colorimetric method with digital LCD display
• One-button operation
• Compact and portable design

📦 What’s Included

• HI735 Checker® HC Colorimeter
• Two sample cuvettes with caps
• Starter reagent packets (6 tests – HI735-25)
• 1.5V AAA battery
• Instruction manual

Protect reef balance with the Hanna HI735 Marine Magnesium Checker® HC—a reliable and simple tool for every saltwater aquarist. 🧪🐠

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