might want to switch to PFO ballast if you're sticking with HQI, you can't really compare an industrial ballast to the PFO on Sanjay's archive, same type but different components, who knows what is going on. Most likely the ballast is generating more heat with the extra power. I also have friends who can't look at my tank for too long claiming it's too bright and I only have one 250W 14K halide and a few T5s, some people are just more sensitive.
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