Easy to use: Move the test strip in the water for 2-3 seconds. Remove the test strip. Let the water drain off sideways. Compare the test strip with the colour scale on the packaging after 1 minute. Read off the CO2 value in the table.

Determines the following water values:

• Chlorine test (disinfectant in tap water)
• pH test from 6.4 to 9.0 (acidity of the water)
• KH test from 0 to 20 °dKH (pH stability of the water)
• GH test from 21 °dGH (general hardness)
• Nitrite (NO2) from 0 to 10 mg/l (poisonous nitrogen compound)
• Nitrate (NO3) from 0 to 250 mg/l (cause of algae)
• Nitrate (NO3) from 0 to 250 mg/l (cause of algae)
• CO2 value via table

Further tests for phosphate or ammonium/ammonia etc. are available as individual tests in the JBL program

Package contents: test strips EasyTest 7 in 1 on colour scale and CO2 table. Contents: 50 test strips

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.