UVB for Russian Tortoise

WanderingFupaQueen

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Sep 25, 2021
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North Kingstown Rhode Island
I've been researching the best UVB bulbs for Russian tortoises. The bulbs I've been looking into include Zoo Med ReptiSun T8 10.0 UVB Lamp, Arcadia, Mega-Ray, Powersun, and the bulbs from ReptileUV website such as the ReptileUV 100watt SunStream. I'm not sure which one is best. There are too many options.
 

Tom

The Dog Trainer
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Southern California
I've been researching the best UVB bulbs for Russian tortoises. The bulbs I've been looking into include Zoo Med ReptiSun T8 10.0 UVB Lamp, Arcadia, Mega-Ray, Powersun, and the bulbs from ReptileUV website such as the ReptileUV 100watt SunStream. I'm not sure which one is best. There are too many options.
You are reading the wrong material and getting all the typical wrong/bad advice.

T8 bulbs make almost no UV. MVBs are unreliable, sometimes dangerous, and cause pyramiding, and they should never be used over tortoises.

For UV you want either the ZooMed T5 10.0 HO tubes, or the Arcadia ProT5 kits.

Give this a read through, and look for the heating and lighting breakdown near the bottom:
 
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