The spectrum of my Aliexpress 10000K 70W MH lamp
There is no indium or thallium, only dysprosium. Sylvania made a 14000K lamp made entirely from dysprosium.

The spectrum of my Aliexpress 10000K 70W MH lamp

There is no indium or thallium, only dysprosium. Sylvania made a 14000K lamp made entirely from dysprosium.

Screenshot_20200524-171903.jpg Tesco_40___60_Watt_GLS_Clear.JPG tmp_711-20170208_132929-2142582123.jpg Sylvania_200w_Red_GLS.JPG 0-18-7.jpg
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