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iBoutique 20W Bayonet (B22) Daylight Energy Saving LED Light Bulb Equivalent Output 150 Watts (Full Spectrum) Great for SAD Sufferers, Snooker, Pool, Hobbies, Crafts, Photography : Amazon.co.uk: Lighting
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How to Replicate Full Spectrum Sunlight Indoors: The Ultimate Light Bulb Test! (with data) : r/sleephackers
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