Wisteria Turning Black

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tackful

AC Members
Mar 15, 2007
584
3
18
Sausalito, CA
Hello,
Scratching my head over this recent problem. Rest of the tank looks good, water clear and no algae on the glass. N=35, P=4, and I dose CSM Trace solution as directed. Co2 is turned up as high as the fish can tolerate. 8 hr photoperiod w/55 watts over 29 gals.
Older leaves are most affected, so I suspect a mobile nutrient deficiency. Will begin MgS04 dosing after weekly 50% water change.
One other observation: the wisteria folds up only 5 hrs into the 8 hr photoperiod. All comments appreciated. Thanks.
 

tackful

AC Members
Mar 15, 2007
584
3
18
Sausalito, CA
I just cleaned off and replanted the tops, so for the time being everything is green, no black at all. GH and KH = 4, pH = 6.6 before co2, and NO3 = 35.
 
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