VIV Two-Colour Ball CO₂ Drop Checker

The VIV Two-Colour Ball CO₂ Drop Checker is the essential tool for aquascapers who value both accuracy and elegance. Hand-blown from laboratory-grade borosilicate glass, this checker sits discreetly inside your aquarium, providing reliable visual monitoring of dissolved CO₂ levels, includes a resealable chamber to compare the colour of your tank's solution to the baseline solution to more accurately monitor CO₂.

Features

• Premium borosilicate glass construction

• Compact and timeless design

• Suction cup included for secure placement

• Resealable chamber for baseline CO₂ comparison.

• Includes concentrated indicator solution (just 1–2 drops needed)

Instructions for Use

1. Mix 1–2 drops of the supplied concentrated solution with aquarium water inside the the internal chamber, make sure the chamber is filled up all the way, ensuring no air pockets and seal it.

2. Mix 1–2 drops of the supplied concentrated solution with aquarium water inside the checker. Make sure the mixture fills up the chamber halfway.

3. Attach the drop checker to the inside glass using the suction cup.

4. Place in an area with gentle water flow for accurate readings.

5. Wait 2–3 hours for colour stabilisation.

How to Read the Results

• Blue – Insufficient CO₂.

• Green – Ideal range for plant growth.

• Yellow – Too much CO₂, reduce injection.

Care & Maintenance

• Refresh the solution every 4–6 weeks.

• Clean with aquarium water or gentle glass cleaner to prevent residue.

• Avoid exposing the glass to sudden temperature changes.

What’s Included

• VIV Two-Colour Ball CO₂ Drop Checker

• Suction cup

• Concentrated indicator solution