how the auto water changer works!

latest news from reefloat (blogs)

  • coldwater marine blog

    my experiences with local marine aquaria
  • re-introduction of ASV

    i have managed to obtain a limited quantity of the solenoid valves as used on the auto shut off caps for the AWC  suitable for 106/88/53/20 litre a...
  • optical sensors

    a fresh look at the optical water level sensor, often known as infrared. the sensor i have used originates from china (as do most) and has been re...