Archive for April, 2006

actual water parameters

Wednesday, April 26th, 2006

Hi again,
for those who asked and those who are interested here are my regulary monitored water parameters:
Ca 420 ppm TropicMarin Ca/Mg Test
Mg 1360 ppm TropicMarin Ca/Mg Test
PO4 < 0.03 ppm (not detectable) Merck / Deltec Test
NO3 < 1 ppm (not detectable) TropicMarin NO3/NO2 Test
NO2 < 1 ppm (not detectable) TropicMarin NO3/NO2 Test
pH 8,0-8,1
salinity 3.4 %
NH4 […]

changes in my “Balling”-method

Monday, April 24th, 2006

Hi all,
unfortunately i had to modify my Growtech dosingpump setup for my version of the “Balling”-method which i use to keep Ca, Mg and KH at the right values.
The Growtech pump supports only up to 1999ml a day for each channel, which isn’t enough anymore.
The Ca solution is double concentrated now, but unfortunately the NaHCO3 […]