JBL KH Test SetJBL > Test Kitshttp://www.charterhouse-aquatics.co.uk/catalog/jbl-test-set-p-3158.htmlThe JBL KH Test Set is an easy to use quick-test for determining the carbonate hardness or the antacid capacity of saltwater and freshwater. (Recommended level in freshwater: 4 - 8° dKH (GCH))
<UL>
<LI>Recommended level in freshwater: 4 - 8° dKH (GKH)
<LI>1 drop = 1° dKH (GKH).
<LI>Colour change from blue to yellow.
<LI>For fresh- and saltwater. </LI></UL>8.95upc3158Charterhouse AquaticsJBL KH Test Set0 out of 5
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