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Old 01-27-2008, 01:03 AM   #1
tellycoleman
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Ozone Accident!!!!!!


Ok so I use ozone with my Becket skimmer. I use a "T" shaped John Guest fitting so that my skimmer can suck in enouph air to skim.

Well I was stupid and didnt think about this item being ozone safe.
Well all was good until the T fitting was eatin away buy the Ozone. Took about 2 weeks

I have a 500ml/hr unit which is large and it very quickly filled my living room with ozone.
If I would have fell asleep watching TV it would have not been good!!!!!
It just so happened that i closed the door to my room and my celing fan was on.
When i opened my bedroom door I instantly smelled the OZONE!!!
IT got so bad the closer I got to the living room, I decided to hold my breath.
Ran to the front door and opened it. Opened a couple windows. This just had to happen during the coldest night of the year. So my wife was loving me as 9 degree air filled our house. (Then I had to explain why and also that I bought a OZone unit an didnt tell her) I'm getting flowers in the morning for her. Surprised she didnt make me sleep with the fish tank.

So I have learned several things
1. Tell your wife before you bring a potentially hazardous item into the house. ( She is reading what im typing right now)
2. Always use ozone safe equipment. Always
3. Buy a smaller unit. IT may take longer to reach the proper ORP but less risky if a line breaks.

Below is a picture of the T fitting
IT smells like it has been burned. and the plastic is really thin now. You could easily break it with one hand.
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Old 01-27-2008, 01:30 AM   #2
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Glad you all are okay. At least you are able to talk about it. I wont use ozone because it can cause migraines and Ive had severe migraines since I was 4. Oh and ALWAYS tell the wife. In my house when it comes to money, its much easier to to get permission than forgiveness!
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Old 01-27-2008, 02:49 AM   #3
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man... I'm glad you're all safe. That ate through the plumbing pretty quick.
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Old 01-27-2008, 03:50 AM   #4
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As far as i know.. Ozone {03) doesnt eat plastic. It takes a fair amount to be toxic. If your able to catch the air after it goes through the water place platium in a tube that the air is flowing threw and it will convert it back into O2. If you get an old catilatic converter cut it open in the center and take the silver looking grid out. On contact of that platuim gride it will intaly turn into oxegen.
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Old 01-27-2008, 07:09 AM   #5
tellycoleman
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Quote:
Originally Posted by Rippey View Post
As far as i know.. Ozone {03) doesnt eat plastic. It takes a fair amount to be toxic. If your able to catch the air after it goes through the water place platium in a tube that the air is flowing threw and it will convert it back into O2. If you get an old catilatic converter cut it open in the center and take the silver looking grid out. On contact of that platuim gride it will intaly turn into oxegen.
I dont know how acurate that is.
If it doesnt then why do you haveto use ozone safe air tubing? you have to use teflon or flexaline or econozone to prevent oxidation of the tubing
Why have ozonesafe skimmers.
Yes some materials are ozoe safe. But basic plastic tubing isnt.
If I use regular Plastic air tubng on a Ozone generator it will last about a week. Im not sure what u ment buy the other stuff. ozone will turn back to O2 but this takes place in the skimmer and not in the tubing????
I have done alot of research on it
here is a chart that list items effected buy OZONE oxidation
http://www.ozoneapplications.com/inf..._materials.htm
it does include Polypropylene and all natural rubber as being extremley effected.

As far as toxic effects you are right low levels are not harmful, however if you can smell it then its not a low level.
I had 8 hours of ozone being pumped in a room. at 500mg per hour. Breath it in if you want to. I know some air prurifiers produce ozone for odor elimination. But those are at a level of 10 mg/hr and are safe not 500mg/hr
this link suplies safety concerns with OZONE
http://www.o3ozone.com/ozone_use_ins...one_safety.htm

Please do research when dealing with ozone
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Old 01-27-2008, 07:34 AM   #6
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I'm glad everyone is okay. Is your wife going to let you keep the evil ozone? Sometimes the benefits aren't worth the risk.
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Old 01-27-2008, 07:50 AM   #7
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Glad everyone is OK.
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Old 01-27-2008, 08:07 AM   #8
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Glad to hear you caught it before going to sleep and that everyone is okay.

Do they make ozone safe fittings like that?

My wife had me create a wish list of equipment that I want to get as we might be able to afford it. I think I will be crossing the ozone generator off my list, especially since I have no idea whether my CPR system is ozone safe or not.
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Old 01-27-2008, 08:30 AM   #9
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Aquawolf.. you remember that conversation we had when you came up about Ozone... this is what i was talking about... and why i will not use it
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Old 01-27-2008, 09:06 AM   #10
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Quote:
Originally Posted by Fat Tony View Post
Aquawolf.. you remember that conversation we had when you came up about Ozone... this is what i was talking about... and why i will not use it
Yes, our conversation made me move it to the absolute bottom of my list, until I could do more research on it. This thread has made me completely scratch it off my list. Telly's research is enough for me, I'm just sorry his family had to go through that last night.
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Old 01-27-2008, 09:21 AM   #11
tellycoleman
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I didnt want to scare everyone.
well the Ozone is off but I went to the LFS yesturday and got a Luft pump. I will hook it up to my skimmer and hopefully this will get rid of the need to use a T connector. The Luft pump Is 45 LPM air pump. She says I can continue to use it.
Ill let you know how it works
Dont blame it on ozone
Blame it on Me not using it right and buying the right equiment.
I have to use a generatoor. For some reason my ORP runs super low and my fish were gasping all the time. ORP was 119
now its 419
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Old 01-27-2008, 10:10 AM   #12
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Quote:
Originally Posted by Rippey View Post
As far as i know.. Ozone {03) doesn’t eat plastic. It takes a fair amount to be toxic. If you’re able to catch the air after it goes through the water place platinum in a tube that the air is flowing threw and it will convert it back into O2. If you get an old catalytic converter cut it open in the center and take the silver looking grid out. On contact of that platinum gride (grate) it will initially turn into oxygen.
I'm sorry, but this is just not true.

Many plastics become very brittle when exposed to ozone, as the O3 molecule is highly reactive with many petrochemicals. If it will burn, it will react with O3 on a non-flammable basis a well.

I'm not too keen on using a used automotive platinum or other catalytic metal grid that has been exposed to automotive fuel additives as exhaust for air or gasses in general that are going into my reef. If O3 flow is reasonable, the use of GAC (granular activated carbon)will adequately treat O3 excesses and convert it to O2 gas without throwing out a ton of O- radicals that are highly reactive as well. All air leaving a skimmer that contains ozone should be passed through a chamber containing copious mounts of GAC that will act to strip out O3 molecules via catalytic rxn.

For reactivity, even some metals (for instance high carbon steel) can be highly reactive, especially if nitrogen is present (or nitrogen compounds), see a reactivity list at:

http://www.ozoneapplications.com/inf..._materials.htm

Something you may be interested in making is an ozone monitor if you continue to use ozone. Personally, there are many ways to do workarounds for the use of ozone (I just recommend not using it, period) to avoid your potential exposure in your home in particular. You'll want to make at least a monitor as is described at this site:

http://www.chemheritage.org/Educatio...vity/tater.htm

but it would be smarter just to avoid using it altogether.


A note to folks that make recommendations on this site about information that they are extemporizing about: especially with a substance that has such a large potential toxic reaction, please do not post this type of information of the site without having your facts straight. Many newbee aquarists come to this site and read the information here as Gospel, and will apply the info without much further research into possible issues. I feel we should be much more responsible than to post suppositions as fact here, especially when the consequences could be lethal to our aquaria systems, or even worse, to our aquarists and their loved ones. I am not flaming the poster of the above info, but I AM chastising him for posting the material in the quote above. Ozone is a quite toxic substance, and is very hard on most materials that have any reactivity in them. If you would like to see more on the issues with ozone, just go to any site with MSDS information posted for ozone. Ozone is not the innocuous substance we might think it is because it is related to O2, it is highly reactive, and as such causes a number of health issues in patients.

Sorry to have to post this material, but to post info on potentially toxic substances here as safe for use without due concern is reckless, irresponsible, and definitely without merit, especially when there are multiple reliable resources easily accessible to the public that definitely indicate otherwise.
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Last edited by tdwyatt; 01-27-2008 at 11:21 AM.. Reason: thanks to ScruffyRubicon for the MSDS link
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Old 01-27-2008, 10:30 AM   #13
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Thank you Tom... this is the precise reason i WILL NOT use it or recommend it to anyone...anyone who has taken more than a year of Chemistry should know what they reactive characteristics of Ozone are and the possible detriments to yours or others health and welfare.
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Old 01-27-2008, 11:33 AM   #14
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Strictly as a point of reference, I come from the air filtration industry, and to carry a UL listing, our equipment has to be independently tested and shown to produce an ozone output of less than 50 ppb (parts per Billion) or .05 ppm (parts per Million). The OSHA PEL (permissable exposure limit) for ozone is 0.3 ppm and the STEL (short term exposure limit which is defined as 15-30 minutes) is 0.1 ppm. The human odor threshold in some individuals for ozone may be as lows as 0.0005 ppm, or 1/100th of the UL safe limit, 1/600th of the OSHAE PEL.

Sense of smell is not a good indication of safety. Ozone in some individuals is extremely toxic, and in the case of some unforeseen failure, potentially very deadly. Although in my personal experience, overexposure to ozone typically results in shortness of breath, headaches and vomiting in extreme cases.
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Old 01-27-2008, 11:52 AM   #15
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#5 Read instruction on all hazardous things!I have use ozone 20 + yrs with no problems.When getting into anything new,always research it.Weather it's a car,major Appliance,animal or anything.Alot off people are eating lead every day from the plates they eat off that come from China ,because they don't have regulations like we do(that the same with there toys)Unfortunately we need to check everything,even pills that doctors give you can be dangerous with what you are taking or allergic too.At least with Ozone it comes with instruction and warnings.READ THEM.
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