Colombo Test Lab

Complete test kit with 6 professional drop tests — for aquarium & pond

Measures pH, GH, KH, NO3, NO2 and NH3 — includes test tubes and colour charts

✅ Level: Easy — Take a water sample, add drops, and compare with the colour chart.

The Colombo Test Lab is a complete test kit with professional drop tests for testing the water in aquariums and ponds. Includes test tubes, colour charts, a dosing syringe, and instructions for use. The individual Colombo aqua tests can be used to replace depleted tests.

🔬 Product specifications

🚚 Delivery & warranty

• Fast delivery from our store — ready to use immediately
• Shipping Tuesday or Friday → Read more about shipping
• Delivery with track & trace, usually within 1–2 working days
• Problem with your order? We will resolve it together.
• Free shipping from €59,-

✂️ Usage tips

Test the water weekly for a good overview of water quality. Always test when problems occur such as sick fish, algae growth, or cloudy water. Use the test results to target treatment with the appropriate Colombo products.

💡 Tip

For freshwater aquariums with phosphate measurement, the Colombo Aqua Test Lab Pro is the better choice — it also includes a PO4 test (phosphate) which is essential for diagnosing algae problems.

❓ Frequently asked questions

Can I reorder individual tests?
Yes — the individual Colombo aqua tests can be used to replace depleted tests in the kit.

What is the difference from the Aqua Test Lab Pro?
The Test Lab is suitable for aquariums and ponds and contains 6 tests. The Aqua Test Lab Pro is specifically for freshwater aquariums and contains 7 tests, including PO4 (phosphate).

Do you have another question? Feel free to contact us — we are happy to help you make the right choice for your aquarium.