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Low heavy metal content
Safe to use with any nutrient line
Increase Light Proof up to level I
The Spin Pro trim's with just a few turn's of the handle
Dutch Treat pH Test Paper ORGANIC Low heavy metal contentpH Test Paper, also known as litmus paper, will help you determine your pH measurement without a pH pen. Grotek and Dutch Treat pH Papers measure pH ranges from 5. 5 to 8. 0 pH Test Paper provides excellent colour separation in both the acid range (below pH 7) and the alkali range (above pH 7)
US$ 72.27
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