JBL ProAquaTest Easy 7in1 Fertiliser A sensor changes color reversibly

A sensor changes color reversibly to alert you shifts to in pH levels between 5

A revolutionary

due to the S-shape

We recommend it comes on 1 hour before your lights come on and turn off 1 hour before they go off (this is optimal)

Small - 16 x 14 x 11cm - space for 2 pots

JBL ProAquaTest Easy 7in1 Fertiliser A sensor changes color reversiblyJBL EasyTest 7in1 Test strips for testing 7 important water values in 1 minute: quick test for general guidance when testing aquarium, pond, well and tap water 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, acidity