Trying to streamline my set up.

Currently using a Zoo Med ReptiSun 10.0 CFL for UVA/UVB in a DEEP DOME, and a separate mini dome for heat bulb. ReptiSun product says it's 30% UVA, 10% UVB.

I'd like to get a shorter bulb so it would fit in a COMBO MINI dome unit.
I would have my infared heat bulb 50W in the other dome.


1) CURRENTLY have Zoo Med ReptiSun 10.0 UVB CFL sitting on top of my mesh screen in a deep dome.:

ReptiSun™ 10.0 Perfect for all desert and basking reptiles! 10% UVB Output, 30% UVA Output, FULL SPECTRUMThe new ReptiSun™ Compact Fluorescent lamps use a special UVB transmitting quartz glass for maximum UVB penetration. Cool burning compact fluorescent bulbs screw into standard threaded sockets, eliminating the need for a separate ballast. Lamp can be oriented either vertically or horizontally in your reptile hood or clamp lamp fixture. UVB emissions help prevent or reverse metabolic bone disease andUVA increases feeding, mating, and other natural behaviors.


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2) I found this bulb: Exo-Terra 10.0 UVB SHORTER CFL ....but it doesn't have any UVA.
Repti Glo 10.0 Compact
Desert Terrarium Lamp

Ideal for all desert dwelling reptiles
Ultra High UVB output
Effective up to 50 cm (20")
Provides necessary UVB rays for optimal calcium metabolism
Recommended for use with screened terrariums; terrariums with dense screen covers (screens can filter out UVB rays)
Recommended in combination with Repti Glo 2.0 for a higher visual light output

The Exo Terra Repti Glo 10.0 has a very high UVB output similar to that associated with desert environments. Desert locations receive more direct sunlight than any other because of fewer clouds, less air humidity and no plants or trees to provide shade. Therefore desert reptiles are more exposed to UV radiation than any other type of reptile. This bulb can also be used on screened terrariums or terrariums with dense screen covers to ensure UVB penetration. Dense screens can filter out up to 50% of the UVB rays.



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3) Then found this Zilla DESERT 50 UVB COIL CFL - 20W. Definitely is shorter and will fit in the mini dome.
  • Gives both UVA and UVB

  • 50 microwatt/sec. output

Desert 50 UVB Fluorescent Bulb
Ideal for Desert Dwelling Reptiles: Bearded Dragons, Uromastyx, Frilled Dragons, Horned Lizards, Collared Lizards, Chuckwallas, Sulcata Tortoises, Leopard Tortoises, Russian Tortoises, Savannah Monitors and Nile Monitors

Delivers UVB light levels essential for desert reptile health
Full-spectrum illumination accents subtle pet colors
Styles to fit fluorescent, incandescent light fixtures

Bring a ray of desert sunshine to arid reptile habitats

When it comes to the bone health of a desert reptile, the extra daily dose of UVB light provided by a Desert 50 bulb (50 microwatts per second/cm2) is as essential as proper food and water for long term strength. The Desert 50 family of bulbs also provide needed UVA light, plus visible-spectrum illumination that makes skin coloration more vivid and viewable. Get all this in a family of high-efficiency bulbs designed to fit most major fluorescent fixture types (compact, T5 and T8). Incandescent lamp users also have the option of a Coil Bulb that screws into a standard light socket. Desert 50 bulbs are designed for 3500 hours or twelve full months of average use.



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QUESTION:
10% UVB vs. 50 microwatt/sec. output
The units between the Zoo Med ReptiSun 10.0 and the Zilla Desert 50 seem to be different so I can't figure out how to compare them????

Anybody know how I can compare apples to apples here??
I have a 10 gallon terrarium.

Thanks!