Now that would be odd if I had too little light. I have a 250w bulb and ballast for my 180 that I would consider trying, although I'm really afraid of baking my tank.
I read that about the XM bulbs, this is my last XM bulb, after hearing about the PAR problems i don't want to stick with them. On the other hand though I've been running XMs for awhile now, 400ws on my 230g and 175w on my previous cube, and actually saw a lot of growth and nice colors from them. Still though I'm looking for a new bulb for my 180g project. I'll have to visit Sanay's site to pick out my next bulb choice.
I think I've figured out my next two tests;
1) the light, downgrade the reflector for a couple of weeks. Its a cheap test to run, I don't have to spend any money.
2) ORP and Ozone, first part will be testing my ORP and then from there either purchasing a ozonier or not.
Any other steps anyone can suggest I try?
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