hahah, yahoo. T for me!
I am expecting a Giesmann 13k bulb this week... are you pretty happy with yours? I've been using a 20k Ushio (DE) and it's quite blue.
I'll be using the 13k along with some actinic suppliment (aqualightpro)
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20g BB Mixed Reef // Coralife 150w HQI // AquaC Nano // Koralia 1 & Seio 820 // Jager 200w // AC50
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