Slow the flow down to between 200gph and 250 gph The longer the contact with the bulb the better it’s efficiency
But then it gets 75% fewer passes.
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Slow the flow down to between 200gph and 250 gph The longer the contact with the bulb the better it’s efficiency
I once was thinking about buying a used UV unit and exchanged some text messages with the seller. I asked to see a vid showing it lights up so he proceeded to take the 8 or 15W UV bulb out of the sleeve, plugged it in, recorded it while not wearing any eye protection…., I had to buy the unit after his sacrifice.They could make them out of glass with a dichroic filter but don’t think masses want to pay thousands for a housing so a few people can watch water flow through a pipe
Wouldn’t that also heat up the bulb excessively?Slow the flow down to between 200gph and 250 gph The longer the contact with the bulb the better it’s efficiency
Thank youSeems to make sense
i did quite a bit of research when I installed my aqua UV 25w and decided that 400GPH was the right number but can’t find that source now. A little google search on Humblefish yields the following. Should be useful!
Bulb is not, should not, be in contact with water. It’s the sleeve. The amount of heat 200g of water can absorb is more than enough.Wouldn’t that also heat up the bulb excessively?
I once was thinking about buying a used UV unit and exchanged some text messages with the seller. I asked to see a vid showing it lights up so he proceeded to take the 8 or 15W UV bulb out of the sleeve, plugged it in, recorded it while not wearing any eye protection…., I had to buy the unit after his sacrifice.
A little google search on Humblefish yields the following. Should be useful!
Right.., bulb cannot be in contact with water. Talking about electrocution!! But wouldn’t the sleeve that shields the uv bulb be cooled convectively and that cooling effect passes on to the UV bulb? Granted it’s not an 1 to 1 cooling effect but it must help to manage bulb temp.Bulb is not, should not, be in contact with water. It’s the sleeve. The amount of heat 200g of water can absorb is more than enough.
Not much different than walking outside without sunglasses.
Sorry I don’t follow….., did Bobby say something crazy and controversial?Isn’t that the site that thinks there are rapidly evolving strains of Ich?
Almost all of the UVC is blocked from reaching earth’s surface in the upper atmosphereBulb is not, should not, be in contact with water. It’s the sleeve. The amount of heat 200g of water can absorb is more than enough.
Not much different than walking outside without sunglasses.
Almost all of the UVC is blocked from reaching earth’s surface in the upper atmosphere
The effects of a correctly-sized UV sterilizer on clarity of the water column cannot be overstated, IMO. I run a Coralife Turbo Twist 6X on my Reefer 170 and the results speak for themselves.
The effects of a correctly-sized UV sterilizer on clarity of the water column cannot be overstated, IMO. I run a Coralife Turbo Twist 6X on my Reefer 170 and the results speak for themselves.
Gotcha. Didn’t want others to think it’s ok to expose themselves to UVC.Agreed. And UV-b/an are non-ionizing… because sunscreen screen is a deep state conspiracy. Kidding aside again it’s total dose. We are exposed everyday to countless things that in a certain dose will kill us. Fun fact: 10 spoons of table salt has an LD50 for average adult.
The effects of a correctly-sized UV sterilizer on clarity of the water column cannot be overstated, IMO. I run a Coralife Turbo Twist 6X on my Reefer 170 and the results speak for themselves.
Gotcha. Didn’t want others to think it’s ok to expose themselves to UVC.
I will trust your math or heat transfer calculation or whatever this is called. LolDidn’t calculate entire frequency range but at 24” it’s ~ 1:30 sun at solar noon vs UV bulb. Before anyone asks I used 0.5mW/cm2 for solar noon and 10000.0mW/cm2 for the bulb at 260nm. So two minutes @24” is roughly the same as standing outside for an hour. Not exactly melt your face off but it’s easy to avoid.
Well shoot, that's a new thing I need to be concerned about now that I wasn't aware of.How do you keep the turbo twist from corroding on the sleeve seal?