I still have two bulbs by hamilton tech kicking around that are linear pin (german) purchased from OA in delta. Only a few weeks after i replaced them, the ballasts both died on my light from hommby in California. The bulbs still look new and show no heat or uv damage on the plastic. I decided to retrofit t5 thereafter. How does $20 each bulb sound? They are practically brand spankin new , paid $50 for each.

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65g/20g reef system, Euro RS-80, 2x tunze 6055, mod 6025, mag7, 250 HQI w/192 actinics, 100 lbs. LR
46g FOWLR