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  1. Cro-Baller

    Upgrading Rio 240 Light Unit

    What if I replace one of the white tubes with a plant growth tube? Then I won't have enough light, surely? I have a separate light unit (which has a blue tube :rolleyes: ) which came with the tank but it uses clips on the back top flap to hold the tube on, and of course means extra wires etc...
  2. Cro-Baller

    Upgrading Rio 240 Light Unit

    CO2 and Ferts? I have used a little plant fertiliser if that's what you mean (Flourish Excel) but I'm a little worried to use much as it increases the nitrate levels in the tank apparently. CO2 I don't know what you're referring to I'm afraid. My bible so far has been "The perfect aquarium" by...
  3. Cro-Baller

    Upgrading Rio 240 Light Unit

    According to the literature I've been reading a tank of this depth should have at least 3 tubes. What I want to do is have adequate white light for the fish and one or two plant growth tubes too to bring on the plant growth and to help keep on top of the algae growth. I have no colour issues...
  4. Cro-Baller

    Upgrading Rio 240 Light Unit

    Hi All, I'm new to the world of keeping fish and have been totally hooked. I have purchased a second hand jewel Rio 240 and it's getting to how I'd like it now. However, the standard light unit (2 tubes) is, well, inadequate imho. So does anyone know where I can get an upgrade unit that takes 4...
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