Thanks for the answers. Apparently, all of my other fluorescent lights make that too.

But now, I came across another interference thing. I recently installed some speakers to my room, and they run on AC power. Basically ALL of my fluorescent lights, INCLUDING the ceiling light, cause interference to the speakers and it can be heard as loud pops. Can that be reduced somehow? Also, once my fridge turns on, a small pop can be heard too.

i’ll update you tomorrow since i don’t have it between my hands now. it also may be a strange tube since the rack were i found it said “85W 150cm” so it may be a strange size but i just assumed it was a mislabeling but i didn’t have time to check whether it’s 180cm or really 150cm (in that warehouse multiple things are mislabeled, such as ballasts labeled as rheostats)

it’s not 1.80m it’s 1.5m 
what kind of tube is this?
here’s it lit on a 65w ballast

last year got a 175 watt MV yard blaster and almost got a roadfocus small from them and they sold the crimefighters as NORMAL stock not surplus as I understand it

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There's a store called Princess Auto here that has a surplus stock section and they seem to get the most random things. I've seen stuff such as LED traffic signal modules, new LED cobraheads there and in the past they've even sold stuff like 175w MV GE Crimefighters, clamshells, gumballs, various other cobraheads.

Anyway I wonder if that's how most people with streetlights in their yard ended up with them, at least here.

 It WAS overactive but thanks to radioactive Iodine it's now underactive .  I'm on the same med . I was told to take it at least 3 hrs. apart from my other meds or food so I take it 1st thing and take my other meds at work at break time when I eat .

 Yeah I don't recommend getting old !!  Not much in the way of options though .    I can't wait to be able to retire ! 

 I'd guess . 

So it literally 'fell off the back of a lorry'... 

Under- or over-active thyroid..? I'm under-active and have to take Levothyroxine every day. Still wouldn't get up at that silly time though, well I did many moons ago when I was young and foolish..! Now I'm old and even more foolish..! There aren't many things to be said in favour of getting old, but retirement is definitely one of them 

 I get up at 4:30 A.M. , Take my thyroid med , feed the kids , get myself together and off to work !