The Colombo Water Test Kits provide a simple and reliable way to monitor key aquarium water parameters, helping you maintain a healthy and stable environment for fish, plants and invertebrates. Regular water testing is essential for identifying potential issues before they affect livestock, allowing you to make informed adjustments and maintain optimal water quality.

Designed for ease of use and accurate results, Colombo test kits are suitable for both freshwater and marine aquariums. Whether you're monitoring pH, hardness, ammonia, nitrite, nitrate or phosphate levels, these tests help you keep track of the parameters that matter most.

Key Features

• Accurate and easy-to-use aquarium water test kits

• Suitable for freshwater and marine aquariums

• Helps maintain healthy water conditions

• Monitor essential water quality parameters

• Clear and reliable test results

• Ideal for routine aquarium maintenance

• Suitable for beginner and experienced aquarists

Available Tests

Colombo pH Test

Measures aquarium pH levels to help maintain stable water chemistry for fish and plants.

Colombo KH Test

Tests carbonate hardness (KH), helping monitor pH stability and buffering capacity.

Colombo GH Test

Measures general hardness (GH), providing insight into mineral content and water suitability.

Colombo Ammonia Test

Detects toxic ammonia levels, an essential test for new aquariums and established systems.

Colombo Nitrite Test

Measures nitrite concentrations to help monitor biological filtration performance.

Colombo Nitrate Test

Tests nitrate levels to assist with long-term water quality management and algae control.

Colombo Phosphate Test

Measures phosphate levels, helping to identify nutrient build-up that may contribute to unwanted algae growth.

Why Test Your Aquarium Water?

Regular testing helps prevent water quality problems before they become serious. By monitoring key parameters, you can quickly identify changes in water chemistry, support fish health and maintain a more stable aquarium environment.

Choose the Colombo test kit that matches your monitoring needs and gain greater confidence in your aquarium maintenance routine.

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.