4 LED panels have failed white emitters. Replacement panels for LEDs arrived during the week. Excellent service from Bongy at Inwatter.
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January 26, 2013 21:38
Cyanobacteria comeback ... removing top layer of sand bed. Boost alk +10.0 dKh. Dosing 20ml Lanthynum Chloride per day for 21 days.
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January 26, 2013 21:37
Cyanobacteria almost all gone.
Significant bacterial bloom in response to enhanced nitrogen and VV dosing regime ... trying to cut out cyanobacteria.
Also gave alkalinity dosing a boost to maintain 9 - 10dKh.
Sweet, water excellent and things running smooth. Need to swap out panel 3 on LED unit #1