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 $30.90Regular priceSale price $30.90 -
Methylene Blue 1% Refill (237 mL)
Regular price $147.33Regular priceSale price $147.33 -
99.9%+ Pure DMSO (Dimethyl Sulfoxide)
Regular price $36.00Regular priceSale price $36.00 -
Methylene Blue 0.5%
Regular price $29.58Regular priceSale price $29.58
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 $43.95Regular price$48.69Sale price $43.95Sale -
Wide Range pH Indicator Test Kit – 2-Pack
Regular price $24.95Regular price$27.38Sale price $24.95Sale -
Compass Solutions Wide Range pH Indicator 4.0–10.0 Test Kit
Regular price $13.69Regular priceSale price $13.69