An inductively coupled plasma (ICP) for spectrometry is sustained in a torch that consists of three concentric tubes, usually made of quartz, although the inner tube (injector) can be sapphire if hydrofluoric acid is being used.n inductively coupled plasma (ICP) for spectrometry is sustained in a torch that consists of three concentric tubes, usually made of quartz, although the inner tube (injector) can be sapphire if hydrofluoric acid is being used.
We recommend the following GPK (gallons per Koi) rates based on their size: Small Koi (2 - 8): 100 - 150 gallons. Medium Koi(8 - 14): 250 - 300 gallons. Large Koi(14 - 24): 400 - 500 gallons. Jumbo Koi(24 - 36): 750 - 900 gallons. The GPK estimates are based on long term housing for the Koi. Indoor winter tanks can be small, but must accommodate enough room for the Koi to swim around comfortably.
To determine what, in my opinion, is the maximum safe fish load for your tank or indoor pond, divide the total gallonage by 100. The result is the number of 12-inch koi that can be raised in that volume of water. For example, if you are using a 125-gallon tank, then the safe fish load would be 1.25 12-inch koi.In other words, one 12-inch fish would be fine, but two would be overcrowding.ost common fish health and aquarium/pond maintenance problems can be traced to the unfortunate habit of keeping too many fish in too little water. Consequently, during the past several years I have devised a rule of thumb for determining the maximum koi fish load for a given volume of water (aquarium or pond).