A cross-platform Javaprogram to turn a simple Geiger counter into the equivalent of a state-of-the art digital model, plus some – using your laptop computer.
FishLAB is an easy-to-use program for tracking aquarium water chemistry. With FishLab you can monitor pH, hardness, NH4, NO2, NO3, Fe, CO2 (the software converts units where needed). The graph function warns you of bad trends in water quality.