Hanna Instruments Marine Calcium Checker HC (Saltwater) (HI758U)

The Hanna Instruments Marine Calcium Checker HC (HI758U) is a handheld colorimeter designed to accurately measure calcium levels in saltwater. It uses digital colorimetry technology, providing more precise and reliable readings compared to conventional test kits.

What is it used for?

Calcium is an essential element in marine aquariums and reef systems because:

• It is crucial for the growth and development of corals, mollusks, and other marine invertebrates.
• It helps maintain pH and alkalinity stability in the water.
• It plays a key role in the formation of calcified structures in marine organisms.

Regular calcium monitoring is essential for maintaining a balanced reef ecosystem and ensuring healthy coral growth.

How to use it?

1. Prepare the sample – Collect an aquarium water sample using the provided cuvette.
2. Add the reagents – Follow the instructions to mix the reagents with the sample.
3. Measure the sample – Insert the cuvette into the Checker and press the button to start the measurement.
4. Read the results – Within seconds, the display will show the calcium concentration in ppm.

Why buy it?

• High accuracy – Provides reliable, repeatable results without visual estimations.
• Easy to use – Intuitive one-button operation.
• Compact and portable – Convenient for on-the-go testing.
• Fast and efficient – Delivers quick readings, saving time.
• Essential for marine aquariums – Maintains optimal calcium levels for healthy coral growth.

What’s in the box?

• Marine Calcium Checker HC (HI758U)
• Two sample cuvettes with lids
• Reagent kit for 25 tests
• 1 mL syringe
• 100 µL pipette
• One AAA battery
• Instruction manual

This colorimeter is an essential tool for marine aquarium hobbyists and professionals looking to maintain a healthy reef ecosystem.