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- Joined
- 12 Feb 2003
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I have a 115 litre tank (30 US gallons) it is quite a deep tank, however, with a depth of about 21 inches. I have been using the flourish carbon substitute and that has made a difference but the red plants are bare apart from about halfway up. I am assuming this is because not enough light is reaching the bottom of the tank.
Normal Flourish or Flourish Iron? Red plants need Iron.