Best Sellers
Our customers' favorites, made in Mena, Arkansas and lot-tracked from batch to bottle.
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Methylene Blue 1%
Regular price €28,32Regular priceSale price €28,32 -
Methylene Blue 1% Refill (237 mL)
Regular price €135,02Regular priceSale price €135,02 -
99.9%+ Pure DMSO (Dimethyl Sulfoxide)
Regular price €32,99Regular priceSale price €32,99 -
Methylene Blue 0.5%
Regular price €27,11Regular priceSale price €27,11
Compass Solutions – Lab & In-Home Testing
Indicators and test kits from our sister brand, made for laboratory and in-home testing.
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Water Test & Treat Bundle
Regular price €40,28Regular priceSale price €40,28 -
Wide Range pH Indicator Test Kit – 2-Pack
Regular price €22,87Regular priceSale price €22,87 -
Compass Solutions Wide Range pH Indicator 4.0–10.0 Test Kit
Regular price €12,55Regular priceSale price €12,55