Here is one of the tests done on PAR with the following bulbs. I couldn't find the updated list but i will search again when i get hoime for work. I do remeber the UV 454 bulb being below 250 and you can compare that number to the bulbs below. Also look how low the actinic bulbs are.
Aquascience
Special 15K 320*
DUO 15K 334*
22000K Blue 302*
AquaZ
Sun Pro 285
Ocean Pro 323
Blue Pro 266
ATI
Sun Pro 357
Aquablue 336
Blue Plus 311
Actinic 137
(Old Style)
Pro Color 215 vs 300 for a UVL Aquasun in a later test
Current Sun Paq
Daylight 10K 272
Blue 252
D&D/Giesemann
Midday 325
Aquablue 324
Actinic Plus 264
Pure Actinic 157
General Electric
GE Daylight 340
GE3000 319*
Helios
Daylight 309
Super Blue 225
KZ
Coral Light 342
Fiji Purple 330
UVL
Aqua sun 345
Actinic White 293
Super Actinic 210
75/25 "Aquablue" 254 vs 300 for an Aquasun in a later test.
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