Is HQI better or worse than MH? Are double ended bulbs harder to find?
Do they cast more or less of a shadow? Are the glass used to encapsulate the bulbs different? Read somewhere about non UV protected glass in DE HQI bulbs.
Also what is difference between 150 vs 250 watts for frag/prop tank?
With my MHs I prefer a glass shield. It does both UV and bulb protection. I see how many little splashes get on the shield. So glad that's not on the MH bulb.
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