You are using concentrated reagent without mixing

If you use concentrated reagent directly, your KH results will be much lower.

The beaker is filled below the 60ml mark

The water level in the beaker should reach the 60ml mark or get very close.

KH Correction factor

Use it to correct difference between manual KH test (like Salifert) and autoBalance KH results

Bubbles in the pipes

How to prevent bubbles in the reagent line or in the Water In, Kh, Ca or Trace lines (tubes). Como prevenir que se formen burbujas en el tubo del reagente, o en los del Water In, KH, Ca o Trace.

Red KH results (Out of range results)

How autoBalance mark KH results as "Out of range"