JBL PROAQUATEST EASY 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.
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