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 $40.30Regular priceSale price $40.30 -
Methylene Blue 1% Refill (237 mL)
Regular price $192.16Regular priceSale price $192.16 -
99.9%+ Pure DMSO (Dimethyl Sulfoxide)
Regular price $46.95Regular priceSale price $46.95 -
Methylene Blue 0.5%
Regular price $38.58Regular priceSale price $38.58
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 $57.32Regular price$63.51Sale price $57.32Sale -
Wide Range pH Indicator Test Kit – 2-Pack
Regular price $32.54Regular price$35.71Sale price $32.54Sale -
Compass Solutions Wide Range pH Indicator 4.0–10.0 Test Kit
Regular price $17.86Regular priceSale price $17.86