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Old 08-04-2019, 09:17 PM
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Default Uv germicidal lamps



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Was wondering if anyone had experience with these. They are basically cfl bulbs made to give off lots of uvc.
This will also give off ozone (you need to leave the room for about 30 minutes after use). A 25watt bulb will sanitize a 30 square meter room in 30 minutes. Could also be used to sanitize water i suppose.
I am just not so sure how effective they are.
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Old 08-04-2019, 10:02 PM
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There was a student with a weak immune system at one of our schools. A UV air purifier was installed in the duct feeding that classroom. Bottled water from a specialty provider was stocked for him. I heard they did the UV treatment to the room monthly, never saw it done.
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Old 08-04-2019, 10:13 PM
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Some if not all hospitals use very expensive units to sterilize rooms. But im guessing these are $10 k or more. Im looking at a $20 made in china light bulb. Wouldnt get every nook and craney but might eliminate 90 % of viruses overall. The ozone is supposed to eliminate roaches and bed bugs too.
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Old 08-04-2019, 11:54 PM
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I bought a UV light during the last big Ebola outbreak.
The life span was very very short. (like a week). Maybe I got a bad one. It was a terrarium lizard light from Amazon. I installed it in the kitchen and thought it could be used to disinfect stuff from the store if layed out on the counter for a while under the light.

I also bought an ozone generator and that thing is amazing. You need to leave the house after turning it on, but it cranks out a LOT of ozone.
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Old 08-05-2019, 01:35 AM
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I wonder about skin and eye protection.
Steripens use uv for water disinfection. Limited penetration.
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Old 08-05-2019, 02:48 AM
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I have Camelbak UV rechargeable water purifying bottle. I like it.

GRAYL makes a filter/uv purifier bottle. I have no experience with it, but FWIW, the people at REI spoke highly of it.
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Old 08-05-2019, 06:25 AM
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Intense UV will sterilize surfaces however any shadowing allows bacteria to survive. There is also a problem that UV breaks down plastics and other material. Your higher quality UV bulbs are encased in crystal instead of regular glass or plastic. And even then you eventually get clouding reducing their effectiveness.

Be careful of UV bulbs since the light can damage your vision.
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Old 08-05-2019, 06:38 AM
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I use in our gravity fed water system, get over a year on each bulb. Use an aquarium air pump to "air lift" pump water through the UV light then through a filter.
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Old 08-05-2019, 06:44 AM
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Quote:
Originally Posted by Justme11 View Post
I bought a UV light during the last big Ebola outbreak.
The life span was very very short. (like a week). Maybe I got a bad one. It was a terrarium lizard light from Amazon. I installed it in the kitchen and thought it could be used to disinfect stuff from the store if layed out on the counter for a while under the light.

I also bought an ozone generator and that thing is amazing. You need to leave the house after turning it on, but it cranks out a LOT of ozone.
Im a reptile guy. The bulbs produce uva and uvb. Would sterilize to a point but if its the cfl type (screw in). They are almost worthless in the uvb range. I will look at ozone generators but i dont want to leave the house.... Just q room at a time.
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Old 08-05-2019, 07:28 AM
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I wonder about skin and eye protection.
Steripens use uv for water disinfection. Limited penetration.
When using you leave the room. severe burns and eye damage in like 1 minute from a few feet away. The ozone (O3) will turn back into O2 in 30-40 minutes. Luckily you can smell ozone so you know its affective and if the room cleared.

Steripens are like 2watts making them safer but only effective in small amounts. I probably wouldnt use it for water purification. Pool shock does ton of water without wasting precious power or the life of the bulb.
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Old 08-05-2019, 07:34 AM
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Intense UV will sterilize surfaces however any shadowing allows bacteria to survive. There is also a problem that UV breaks down plastics and other material. Your higher quality UV bulbs are encased in crystal instead of regular glass or plastic. And even then you eventually get clouding reducing their effectiveness.

Be careful of UV bulbs since the light can damage your vision.
Apparently damage from the light to plastic is minimum due to only using it for a few minutes. Bulbs are rated for 8000 hours but i have serious doubts of those claims. The ozone penetrates the shadows and helps the process. Not planning on being in the room. Close the door as soon as i see light. Turn off by unplugging in another room.
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Old 08-05-2019, 07:41 AM
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Originally Posted by RobertSWMissouri View Post
I use in our gravity fed water system, get over a year on each bulb. Use an aquarium air pump to "air lift" pump water through the UV light
then through a filter.
I could do that. I have a pond uv sterilizer that is 100% effective at like 25 gph. Needs a new bulb.

Im mostly interested in sanitizing the air, food, clothing, couch that someone slept on while sick or even died. Any goods that are scavenged during an outbreak. Would use it to keep bugs in check like the flu on a regular bases. Looking into for mold mitigation in basement. We get some water from time to time.
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Old 08-05-2019, 08:57 AM
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Originally Posted by nicktide View Post
I could do that. I have a pond uv sterilizer that is 100% effective at like 25 gph. Needs a new bulb.

Im mostly interested in sanitizing the air, food, clothing, couch that someone slept on while sick or even died. Any goods that are scavenged during an outbreak. Would use it to keep bugs in check like the flu on a regular bases. Looking into for mold mitigation in basement. We get some water from time to time.
My vote is for the ozone generator , hands down.

https://www.amazon.com/gp/product/B0...SP03DJCGBMSY80



Just remove any life forms you don't want killed and any rubber goods like rubber bands, elastic waist underwear, etc.

Leaving the house is not optional. If you want to kill microbes, you need to remove your body from that environment or you will harm yourself.

If you can't leave the house for a few hours, then get cozy with those microbes.

This is what I bought.

Close up the house, turn on a circulating fan and turn this on for 20 minutes or so depending upon size of the room you are nuking, then leave for your daily business. Come back and air the place out a bit. If it has been a couple hours, most of the ozone likely converted back to O2 and something it killed in oxidized form.

I also set up a remote monitoring camera so I can make sure it didn't set the house on fire.

by the way, it will also get the stink out of a musty smelling vehicle.

Just don't overdo it, or it will harm the house or car interior, much like bleaching it would.
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Old 08-05-2019, 10:33 AM
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I suspect that incandescent UV bulbs would be of little benefit as they only filter out visible light rather than creating UV.
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Old 08-05-2019, 01:46 PM
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Quote:
Originally Posted by nicktide View Post
Some if not all hospitals use very expensive units to sterilize rooms. But im guessing these are $10 k or more. Im looking at a $20 made in china light bulb. Wouldnt get every nook and craney but might eliminate 90 % of viruses overall. The ozone is supposed to eliminate roaches and bed bugs too.
ozone also does lung damage...
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Old 08-05-2019, 03:28 PM
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Quote:
Originally Posted by nicktide View Post
Some if not all hospitals use very expensive units to sterilize rooms. But im guessing these are $10 k or more. Im looking at a $20 made in china light bulb. Wouldnt get every nook and craney but might eliminate 90 % of viruses overall. The ozone is supposed to eliminate roaches and bed bugs too.
If you want to kill roaches and bed bugs, there are easier ways than ozone.

1) Seal up all possible entrances.
2) Use that roach gel bait that comes in a syringe inside cabinets.
3) Outside put a few piles of that Spectra granular all purpose bug killer bait out. (kills crickets, roaches, a long list of stuff.
4) Sprinkle non-toxic diatomaceous earth anywhere you suspect bedbugs or any other insect might be crawling around.

Living in Houston a couple decades has made me into an exterminator practically. "I can keel dis bug 50 different ways". "I can make it look like an accident"
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Old 08-06-2019, 07:45 AM
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My vote is for the ozone generator , hands down.

https://www.amazon.com/gp/product/B0...SP03DJCGBMSY80



Just remove any life forms you don't want killed and any rubber goods like rubber bands, elastic waist underwear, etc.

Leaving the house is not optional. If you want to kill microbes, you need to remove your body from that environment or you will harm yourself.

If you can't leave the house for a few hours, then get cozy with those microbes.

This is what I bought.

Close up the house, turn on a circulating fan and turn this on for 20 minutes or so depending upon size of the room you are nuking, then leave for your daily business. Come back and air the place out a bit. If it has been a couple hours, most of the ozone likely converted back to O2 and something it killed in oxidized form.

I also set up a remote monitoring camera so I can make sure it didn't set the house on fire.

by the way, it will also get the stink out of a musty smelling vehicle.

Just don't overdo it, or it will harm the house or car interior, much like bleaching it would.
These cant be confined to say the basement? Total evacuation is nearly impossible because of pets. Dogs are easy but i have reptiles and the bugs they eat.
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Old 08-06-2019, 07:51 AM
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I suspect that incandescent UV bulbs would be of little benefit as they only filter out visible light rather than creating UV.
If youre talking about reptile bulbs... They produce UV-a. Same as any other incandescent. Would do little or nothing. And in the event of an emergency, power may be limited to what I can produce. Running 15-25 watts for a half hour wouldnt be so bad to sanitize a room, a couch, a few jugs or water and some clothes you scavenged (if you dared to go out).
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Old 08-06-2019, 07:56 AM
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If you want to kill roaches and bed bugs, there are easier ways than ozone.

1) Seal up all possible entrances.
2) Use that roach gel bait that comes in a syringe inside cabinets.
3) Outside put a few piles of that Spectra granular all purpose bug killer bait out. (kills crickets, roaches, a long list of stuff.
4) Sprinkle non-toxic diatomaceous earth anywhere you suspect bedbugs or any other insect might be crawling around.

Living in Houston a couple decades has made me into an exterminator practically. "I can keel dis bug 50 different ways". "I can make it look like an accident"
Thanks. I dont have an issue with roaches... In fact i raise tropical roaches for my chameleons. A house this far north is too cool for them to breed and infest. I'm sure i have lost hundreds. Never found one more than a few feet from their tank.

Never had bed bugs but my wife and I both work in schools where the kids are often subjected to bed bugs so it is a fear. I think the light might also be good for the times where Frontline fails and we get a flea infestation.
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Old 08-06-2019, 08:14 AM
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Thanks. I dont have an issue with roaches... In fact i raise tropical roaches for my chameleons. A house this far north is too cool for them to breed and infest. I'm sure i have lost hundreds. Never found one more than a few feet from their tank.

Never had bed bugs but my wife and I both work in schools where the kids are often subjected to bed bugs so it is a fear. I think the light might also be good for the times where Frontline fails and we get a flea infestation.
I was just adding the info because you mentioned insect control as another outcome of ozone or UV. I would simply use direct proven control methods.
If a burglar breaks in and a have a gun, pretty sure I would just shoot the guy and not turn on the ozone generator and wait for his eyeballs to melt.

Fleas are pretty easy to eliminate with that simple little night lite device they sell with the sticky clue paper about the size of a pie plate.

https://www.walmart.com/ip/Victor-Th...RoCQTkQAvD_BwE

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