I exchanged the bulbs - put the new ReptiZoo 5.0 into the Arcadia ProT5 and put the 6 month old Arcadia 6% into the new ReptiZoo fixture. The fixture seems to be ok, but the bulb doesn’t meet our needs.
ProT5 with ReptiZoo 5.0 at distance of 7”/18cm = UVI 1.7
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ProT5 with ReptiZoo 5.0 at distance of 4”/10cm = UVI 3.1 *had to move solarmeter around and obtained this reading in extremely narrow area. Average reading out of narrow area about 2.2.
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ReptiZoo T5 with Arcadia 6% at distance of 3”/8cm = 6.1 UVI
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ReptiZoo T5 with Arcadia 6% at distance of 9”/23cm = perfect 3.0 UVI
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Gratuitous pic of Lucky who graciously allowed me to use his lights for testing. Such a sweet guy! Not one hiss, gape, fire up or run away while I was all in his house.
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So, I think the ReptiZoo fixture is ok, although no idea if it will last as long as ReptiZoo or Arcadia. The uvb bulb that comes with it though is not adequate for a chameleon. While you may be saving approx $20 by buying the ReptiZoo, you will be needing to replace the bulb and those run around $20-$25 each. You aren’t really saving anything. There is always the possibility that I received a defective bulb, but I’m not feeling the need to spend any more and buy another ReptiZoo 5.0 to test. My opinion is to just get the Arcadia ProT5 (or ReptiSun) and both come with a quality uvb bulb.