Jar of electrode fluid holder
With this handy jar it is easy to keep the pH and Redox probes moist in potassium chloride solution in winter. At the top is a hole with rubber seal, so that the jar closes waterproof.
With this handy jar it is easy to keep the pH and Redox probes moist in potassium chloride solution in winter. At the top is a hole with rubber seal, so that the jar closes waterproof.