Low Kelvin Bulbs

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EvansInUK

Well-Known Member
Hello guys. I have been searching last couple days and all of today without any luck. So I'm going to ask you guys;

What is the lowest colour temperature kelvin bulb you can get? I want run an experiment with my first grow while I save money for better equipment and buy a newly found reflector and a bigger tent as I've decided mine is inadequate for the size bulbs and reflector I want. So while I'm saving for that. I wouldn't mind running a test with something like 1800k or even lower. Possibly even 1000k

Anyone know of any bulbs in this region? Especially the lower end? It's not for the full grow don't worry. I'm just interested in trying something out. Preferably in the lower kelvins and 1800 max. Please don't criticise it's just a personal experiment and would like some help if anyone knows where they do or sell lower than 1800k as I'm yet to find any especially In the uk. Preferably in a 200w e40. As my reflector is already a 200w E40 fixture and my next one will be upgraded to a 250w then 315w if I can control my 250w without issues.
 
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EvansInUK

Well-Known Member
Roger A. Shrubber said:
you might find a hps thats 1800, but most of them i've seen are 2100, seems to be the low end for K, and hps seems to be the lowest.
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Yeah I'm struggling to find anything that's low kelvin to be honest. Anything at all. Plenty now for 6400-22000 aquatic lights lol. But No one seems to do low end stuff. Wonder why. Probably not much use I suppose but funny how there S just 2100-2300 and thats pretty much it for hps. I can't even find below 2k in cfl' lol and I thought there would be an abundant amount of low cfl's but I guess it's all about the colour.
 
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EvansInUK

Well-Known Member
But you would think there would be led versions or other bulbs in other spectrums. But oh well. I thought maybe someone would have known but may be my efforts failed because the bulbs are not made lol.
 
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EvansInUK

Well-Known Member
Silvio Dante said:
https://www.amazon.co.uk/Toshiba-Grow-Lamp-800-1100k-E27/dp/B06XCV6YW4

What about this?

Admittedly... a little low on the wattage!
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Hey I'll check it out now. Do anyone know what "Lumenlite 250w MH bulbs kelvin colour is I just ordered my 250w hps/ballast and reflector" off eBay and I know it's around 2000-2100k for the hps but I've asked the seller and they responded that MH's don't have a kelvin colour. I don' wish to argue with the seller lol but obviously it's blue. I just want make sure it' high enough that' all.
 
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