90gal CO2 tank now 4+ months old. About a month ago I was just starting to congratulate myself (or more accurately, thank Tom for his advice that I followed [in some cases against my own judgment]) because I had seen NO ALGAE.
Then some GSA and hair algae started to crop up. I killed VERY large clumps of needle leaf java fern spraying with 100% excel.
I adjusted flow patterns.
I pointed CO2 output directly into plants.
I did H20 changes frequently.
I recycled CO2 by bringing "false gas valve" of AM1000 back to pump intake.
I turned up bubble rate so it is so fast I can no longer count (maybe 8-10+ bps).
I just reduced photoperiod.
I'm hoping you friendly folk will offer me some input. I assume inadequate CO2 is responsible for my GSA, and thread algae.
I'm interested in whether my current design is adequate. On the surface it seems it should be --more than adequate-- for a 90gal tank. But apparently it is not, or I am not tuned in to what to change, and this is my problem.
The attached diagram illustrates my CO2 design. One possibility is to get rid of the AM1000 with tiny 1/2inch I/O and replace with larger reactor (3/4"? I/O). If I do that, same pump OK? I'm kinda lost in what to change.
What options, for my set up, would seem to make sense for enhancing CO2?
thanks for any feedback,
KNO3: 15ppm, 3x
KH2PO4: 6ppm, 3x
K2S04: 17ppm, 3x
Trace (TPN): 25ml, 3x
Iron (Seachem Iron): 15ml (.44ppm), 3x
GH booster: 4tsp at WC
Mg: 10mg (3ppm) at WC
Lighting: 4x55w CF, 9hours total (8hrs @ 110w, plus 1hr @ 220w)
Plants: Staurogyne, Blyxa (never done that well), H. angustifolia, needle leaf java fern
Fish: Congo Tetra x 4, SAE x 4, plus 6 or so tetras
Eheim 1260 (635gph) which drives AM1000 reactor
Eheim 2128 x 3
(BTW: can I post the PDF or .doc image, inside this post or must I attached it)