The CO₂ indicator solution helps you reliably monitor the balance in your aquarium. A healthy CO₂ level is between 20–40 ppm , with approximately 30 ppm being optimal for plants and fish. With this test solution, you can ensure that your aquarium always offers the right conditions.

It's incredibly easy to use: simply add a few drops to the drop checker, wait 2 hours, and read the color.

• Blue = too little CO₂

• Green = optimal value

• Yellow = too much CO₂

✨ Main features:

• 🌿 Healthy ecosystem – ideal CO₂ levels for plants & fish

• 🧪 Easy to use – ready to use, no dilution required

• ⏱️ Fast results – readable after about 2 hours

• 🔄 Long-lasting – solution lasts up to 30 days in the Drop Checker

• 🐠 Indispensable for aquascaping – supports growth & vitality

📏 Technical data:

• Contents: 15 ml

• Height of the bottle: approx. 7.7 cm

• Shelf life: replace every 30 days

📦 Scope of delivery:
1 × 15 ml CO₂ indicator solution (drop checker not included)

⚠️ Note: Slight color and size deviations possible.