KOH 40% (10mL)
£3.29 ex. VAT
Potassium Hydroxide 40% in distilled water.
Useful field test for some species e.g. Cortinarius (as recommended by Kibby).
N.B. For rehydration of dried samples, 3% KOH is recommended.
Supplied in a plastic dropper bottle to reduce risk of cloudiness over time which can occur in glass.