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Articles from Jason King

  1. Tips And Tricks For Dutch Style Aquascaping

    Tips and Tricks for Dutch Style Aquascaping This article explains some of the rules and techniques of traditional Dutch style aquascaping. It’s written with novice to intermediate American aquascapers in mind. This style can seem old, rigid, and in somewhat inflexible to Nature style fans. And, yes, there are a lot of rules. But these rules are only needed if you plan on entering your tank in aquascaping contests like the one held by the AGA. It may also help to keep in mind that this...
  2. Interview With Rachel O'leary Aka Msjinkzd

    The best way to learn a new hobby is by getting knowledge and information from those that are experienced in the hobby. I recently had the chance to interview Rachel O'Leary, a passionate & professional fish keeper from USA.
  3. 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...
  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. 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.
  6. Oxygen in the Planted Aquarium - Volume 2, Issue 2 - February 2006

    While many may not consider oxygen a nutrient, its role is often overlooked in planted aquariums. While terrestrial systems are seldom ever limited by oxygen, water greatly reduces the diffusion of O2 into the aquatic environment. Fick’s first law of diffusion illustrates this change and predicts the rate of flux of O2:
  7. Methods for Filtration in Planted Aquariums - Volume 2, Issue 9 - September 2006

    Considerable debate in the last 25 years has revolved around filtration of planted aquariums. This is understandable due to the livestock and plant biomass differences hobbyists and aquaculturalist have in their systems as well their expectations. Aquatic macrophytes are used extensively for wastewater treatment (Reddy et al, 1984, 1989, 1991, 1992). As such, some aquarists forgo any filtration in lieu of the macrophytes being the primary filtration component for removal of fish “waste”....
  8. Co2/ph/kh Table

    Measure your KH, then see how much you need to reduce the pH to get your target CO2 ppm.
  9. Ada Aqua Soil™ And Power Sand™ Analysis - Volume 5, Issue 1

    Introduction: Most aquarists only test the water column for nutrients for aquatic planted aquariums. Rarely, (if ever) do we look at testing the other half of the sources of nutrients for root submersed macrophytes, the sedi-ment. This is not surprising as the hobby lacks a reasonably priced, commercially available, hobby test kit/s specifically for sediment analy-sis. By comparing various sediment types, their components from natu-ral systems, and looking at a commercial brand and the same...
  10. Analysis of Liquid Fertilizers: the ADA Brighty Series™

    Introduction This month’s Barr Report test and measures the concentrations of various nutrients in Aqua Design Amano’s product line. Nutrient concentrations are not reported for the ADA line of fertilizers. By testing the concentration levels for each nutrient, aquarist can design and make nutrient solutions that are similar.
  11. Dissolved Inorganic Carbon (DIC) - Volume 1, Issue 4 - April 2005

    Introduction Carbon is required for life on Earth, including life in aquatic ecosystems (Rheinheimer 1992). All living organisms need carbon as a food source. The importance of carbon cycling is that the processes involved form important links between the abiotic (non-living) and biotic (living) components of the aquatic ecosystem (or any ecosystem). This is in large part due to the ability of carbon to form strong bonds to other non-metals such as hydrogen, nitrogen, oxygen, sulfur and the...
  12. Enzymes and Submersed Aquatic Macrophytes - Volume 1, Issue 2 - February 2005

    Introduction Enzymes are proteins (Most are proteins with an exception of a small group of catalytic RNA molecules (Lehninger 2005)). Like other proteins, enzymes consist of long chains of amino acids held together by peptide bonds. These proteins are produce linearly. They sponteanously form into their specific three dimensional shape (this arrangement is referred to as the “conformation”) as they are being synthesized by Ribosomes.
  13. Phosphorus’ Role in Aquatic Macrophyte Horticulture - Volume 2, Issue 1 - January 2006

    Introduction Phosphorus is perhaps one of the most contentious elements in aquatic biology. It has numerous forms and this has caused some confusion. The main two components are inorganic and organic phosphorus. Inorganic forms can come from many sources: AlPO4·2H2O(Variscite), FePO4(Strengite) in acidic conditions, a host of various compounds in alkaline conditions: Ca(H2PO4)2, CaHPO4·2H2O, Ca8(H2PO4)6, Ca3 (PO4)2, Ca5(PO4)3OH, Ca5(PO4)3F. Many aquarist rely on KH2PO4 (monobasic potassium...
  14. Nitrogen Cycling in Planted Aquariums - Volume 1, Issue 6 - June 2005

    Introduction Nitrogen plays perhaps the next largest role in submersed aquatic plant health and growth after light and Carbon. Nitrogen is important as a macro nutrient for plant growth. Generally limiting phosphate (PO4-3) will not slow growth, whereas nitrogen limitation will limit growth, but as we shall see, the two are related and can drive the other’s uptake rate. Nitrogen is essential for the formation of amino acids and the purine and pyrimidine bases, and consequently for protein...
  15. Dissolved, Particulate and Microbial Biomass Organic Carbon - Volume 1, Issue 5 - May 2005

    Introduction Callitriches and Cabomba in a fast flowing stream in central California. Summary • Carbon cycled reviewed • What are POC, MBC and DOC? • Can bacteria be organic carbon limited? • Carbon accumulation in the aquarium • Sources and roles of DOC/POC/MBC • Types of Organic matter
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