PUR vid specifikt akvariedjup

(PUR at specific aquarium depth)

PURvidSpecifiktDjup2.xls

English:

PURatSpecificDepth.xls

German (translated by Tobi at http://www.flowgrow.de):

pur_berechnung.xls

Chinese (translated by Erich L.T. Sia):
PURatSpecificDepthChinese.xls