Metal Halide vs Power Compact
I'm setting up a 100g planted FW tank and I'm looking at lighting options.
It will be C02 injected and I will need about 400w of light. I've seen
fixtures with 4 96w PC and an assortment of metal halide fixtures and a
mixture of both. Questions a fixture/balast cost, bulb cost, bulb life,
light quality etc.
Thanks
Jocko
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