Your wish is my command!
Acidified the sample to pH 7.5, phosphate off the charts I didn't try to determine the exact amount (1:9 dilution was still off the charts).
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Tatu Vaajalahti
Tampere, Finland
Current Tank Info: 240 gal + 50 gal sump,SDSB,LR,ATB Medium, 2x250W HQI + actinic,Balling
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