Anyone running the Giesemann 14.5k 250w DE HQI bulbs?

I have some limited experience I ordered 6 3@ 250w and 3@150w.
1 250 and 1 150 were broken in shipping, sold one 250 and it came back as "too yellow" within 2 months. I'm using one of the 150s on our clam tank and I hate it! It fired up a nice chrisp bluish but soon faded to 14 month old AB yellow.
 
I'm using Gieseman 14.5k 250w DE for about 8 months, I really like, good grow and good color on corals.
I do have actinics 220w.
 
I used to run the what they call 13k back then but now its 14.5k
I ran them with actinics as well.
I cant really tell the differeence between that and the AB 10k(which is now 13k)
 
actually 13K and 14.5K are different bulbs. The 13K is called "marine" and the 14.5K is called "coral".

I use the 13Ks mostly because the 14.5Ks are too expensive for the number of bulbs I have. I like it a lot.
 
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