JBL GH drop test
With this GH test, you can quickly and accurately determine your GH value.
Contents: Dropper bottle, 20 ml measuring cuvette, instructions for use
. The test can be used for fresh water. One drop equals 1° dGH.
With comparator system for precise colour comparison (The comparator system according to Gray and Rawlins is a theory developed in 1986, according to which sensory impressions are measured, compared and analysed with conceptual understanding. They postulated hippocampal structures as the possible seat of this comparison system. It is assumed that during psychotic episodes, the adaptability of internal perception correction is faulty.) This simply means that the values are very easy to read and accurate.
Angaben zur Produktsicherheit:
Hersteller: JBL, Dieselstraße 3, 67141 Neuhofen
Email: info@jbl.de
Sicherheitshinweise:
- Liquid and vapour are highly flammable.
- Caution!
Danger.
- Causes severe skin burns and serious eye damage.
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