Tropical Fish Keeping banner

valves

  1. CO2 valves

    Beginner Freshwater Aquarium
    Hello - I am new to this forum. I've had a small aquarium for awhile, but am upgrading it to a larger one for more fish/plants. I will be having a CO2 line and have a few questions on valves. Are most people using solenoid valves on timers?
Top