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measure

  1. jaypeecee

    (Free) Lighting Tool

    Hi Folks, I'd like to suggest an easy way to get an idea of the RGB balance and colour temperature of aquarium lighting. It may even suggest the dominant wavelength of the light being emitted from your lighting. All that's needed is a white piece of paper and one of many phone apps that are...
    • jaypeecee
    • Thread
    • light measure rgb spectrum tools wavelength
    • Replies: 0
    • Forum: Lighting
  2. M

    CO2/pH level in planted tank

    Has anyone measured pH level during 24h interval in his planted tank? I would like to know if pH/CO2 is continually increasing during the day, and begin to decrease only after lights are off ... or if it increases after turning the lights on until it reaches some level, and then stays...
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