Below is a short list of basic tools and equipment required to run a pico:Heater and thermometerRefractometerReliable test kitAutomatic timerMaintenance supplies and toolsHeater and ThermometerA good heater and thermometer are required to maintain a stable range of 78??????80??? F. Stability is key in a pico and the more you can maintain a stable temperature, the better off your tank will be in th