Maintain the health and clarity of your aquarium with the JBL Test Combi Set plus NH4. This essential tool allows you to regularly check and adjust the critical water parameters, keeping the environment ideal for both fish and plants. Whether you are an aquarist or a casual aquarium owner, understanding and managing your water quality is crucial for preventing diseases and algae growth.

The JBL Test Combi Set empowers you to measure five of the most important water values: pH value, carbonate hardness, nitrite, nitrate, and ammonium. Additionally, it provides a straightforward method to determine CO2 content by using measured pH and KH values, referencing the included table.

• Accurate monitoring of key water values for aquarium health.
• Includes a laboratory comparator system to adjust for water colouring.
• Easy operation with precise tools such as syringes and glass vials.
• Comes in a water-proof plastic case for durability.
• Child-proof reagent bottles for safety.

This kit is designed for both beginner and experienced aquarium owners looking for a reliable and efficient way to maintain optimal water conditions. The comprehensive package includes everything you need for accurate measurements and analysis, supporting a vibrant aquatic ecosystem.

• Package includes: 5 reagents, 3 glass vials, syringe, dosing spoon, comparator block, plastic cuvette, colour charts, and analysis record sheets.
• Suitable for freshwater aquariums.
• Comprehensive instructions included for user convenience.

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.