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New Articles

  1. How To Build A Cerges Co2 Reactor

    I decided to make a journal for my 10" cerges reactor build to make it easier for members to make one themselves. I
  2. Dual Venturi Diy External Co2 Reactor

    This co2 reactor costs about 20$ due to using Clear PVC housing, you can use solid 2" pipe if you wish.
  3. Co2/ph/kh Table

    Measure your KH, then see how much you need to reduce the pH to get your target CO2 ppm.
  4. Ei Light: For Those Less Techy Folks

    The Estimative Index (EI) is a straight forward method for providing nutrients for a planted tank. The idea behind EI is simply introducing a non limiting amount of nutrients within an aquarium, throughout the week. This non limiting concentration of nutrients floods the water column and feeds the plants. This is an estimative method; measuring specific nutrient uptake rates is not necessary and no test kits are involved. EI provides a surplus of nutrients that helps to prevents plant...
  5. Fertilizer Routines, Which One?

    This article is designed to give a back ground on various dosing routines from the past and present. Some of the older semi complete fertilizer routines are PMDD(about 1995-1996):
  6. The Estimative Index Of Dosing, Or No Need For Test Kits

    The Estimative index is a simple method to dose nutrients for any tank without test kits. In a nut shell, the aquarist doses frequently to prevent anything from running out (plant deficiency) and does large weekly water changes to prevent any build up (Plant inhibition). In this manner, we can easily maintain a close approximation or an “estimation index” of the nutrient levels during the week, not too high, not too low and… need for a test kit because the accuracy is close and in most...
  7. Non Co2 Methods

    While much of the attention and aquascape seen on the web focuses on CO2 enrichment in their methods, Diana Walstad presents an excellent argument for the approach of a non CO2 enriched planted Aquarium. We should also extend this to include Excel and carbon enrichment liquids as well as acetate which allow some algae to exist without any light or CO2 and grow heterotrophically (like us). She discusses not needing test kits, water changes, pruning often, dosing, work that most aquarist do...