• Pellet filtration media for nitrate & phosphate control

  • Bioactive filtration media that provides ideal colonization substrate
  • Decreases latent organic material, and improves nutrient control & water clarity
  • May be used with MicroBacter 7 as part of a low-nutrient approach to aquarium husbandry
  • Safe for all freshwater and marine aquariums
  • Made in the USA

Katalyst

$36.45Price
Size
  • Katalyst provides a static surface for colonization by beneficial microbes, while at the same time providing them with a source of organic carbon, which is required for the uptake of nitrogen and phosphorus compounds (including nitrate and phosphate, respectively). In this fashion, Katalyst improves nutrient-uptake efficiency relative to systems employing only live rock, live sand, and/or inert plastic material as a substrate for microbial colonization. The colonization of Katalyst with the appropriate types of nutrient-remineralizing microorganisms, such as those found in MicroBacter7, serves to deplete existing concentrations of dissolved organic material from the aquarium. The ultimate goal in employing this system is to maintain a balance between the rate of nutrient-addition and -removal/uptake; this balance is different for each individual aquatic system. The reward for investing the time required to attain this balance is improved water quality.

  • Katalyst should be housed in a media reactor, canister filter, or fluidized-bed reactor with a means of controlling water flow through the media bed, and with a pre-filter in place to restrict particulate material from entering the reaction vessel. Moderate water flow will discourage the accumulation of latent organic material in the media bed, itself, and will improve overall results. Dissolved oxygen concentration and/or pH in the aquarium may temporarily decrease when new media is added; ensure that adequate aeration of water is employed at all times when using Katalyst, and monitor and adjust pH as necessary. In marine aquaria, maintain operation of protein skimmer at all times to ensure that adequate degassing and oxygenation of water is taking place.

     

    Systems with [NO3-] and/or [PO43-] <5 ppm and 0.02 ppm, respectively: employ ~1 g of Katalyst per 2 US-gallons of water in aquarium system. Add 1 ml MicroBacter7 per 20 US-gallons in system daily for the first 4 weeks to seed Katalyst media. In systems with elevated concentrations of these nutrients, employ up to twice the aforementioned mass and volume, respectively, of Katalyst and MicroBacter7. Allow at least 4 weeks for media to become adequately colonized for significant changes in nutrient concentrations to become evident. When nutrient concentrations drop below the target values (user-defined), decrease the daily dosage of MicroBacter7 to maintain these levels. Replenish Katalyst media as necessary to counter gradual dissolution (on the order of months) that is the result of microbial consumption of the material. The rate of media deterioration is largely related to the nutrient load in the system: the higher the rate of nutrient input, the more quickly the media will be consumed by microbes.

     

    Caution: Keep out of reach of children

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