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Re: Tom Barrs suggested nutrient levels (was Flourite/Laterite -couple weeks ago)
After adjusting my nutrient levels (mainly K- two tsp K2SO4 for about 75
gallons of water to bring K up to about 22 ppm, but also trace and a little
KNO3 to get NO3 above 5 ppm (target 7 ppm)- CO2 was already in line)- my
plants started pearling for a couple of days, then - they have been
languishing since then- my hygrophylla is sending out very thin and tall
light green leaves rotalla and bacopa growth is slow but normal. New leaves
on my swords are also light green. Does anyone know what may be going on. I
suspect that the plants may have been used to low K (2 ppm my tapwater), and
may be a bit shocked by the new much higher concentration. When I change
water my target general hardness is around 5 degrees and carbonate hardness-
3 degrees. pH is normally 6.6- 6.8l.
Cory Williamson
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Cory and Susanne Williamson
7800 Thompson Drive
Prince George, BC V2N 5N5
E-mail: cswilliamson at telus_net
Phone: 250-964-3973