Radium 20K
The ballast Radium recomend will make the bulb definitivaly to blue + dimm and it's why in europe no one utilize that bulb
From what I have read on the Radium she will live
8-10 monthe on a AGRO ballast and 10-12 month
on a blueline.
As for the price issue dont forget that you dont need any actnic supplement so it help cover the short period living difference between saki and radium + now you could have a Radium at the price of a saki so it will be not much more $ :D
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