1agos Posted April 23, 2018 Report Share Posted April 23, 2018 What do you guys think about adding Hydrogen peroxide to the water tank to clean it after a winters lay off. 1 to 100 litres. Have spoken to a water expert (20 years in the north american water industry) who says this is the best way to go and add 500ml to a tankful bi monthly I only remember this stuff turning my mums hair yellow. Link to comment Share on other sites More sharing options...
ditchcrawler Posted April 23, 2018 Report Share Posted April 23, 2018 I wouldn't. Link to comment Share on other sites More sharing options...
rusty69 Posted April 23, 2018 Report Share Posted April 23, 2018 2 minutes ago, ditchcrawler said: I wouldn't. He could dye! 1 Link to comment Share on other sites More sharing options...
Tumshie Posted April 23, 2018 Report Share Posted April 23, 2018 I use hydrogen peroxide for lots of thing, (except not for my hair) mostly cleaning; the Americans love it and use it for all sorts of stuff like mouth wash, cut cleaning, foot soaking, house cleaning and weed killing to name but a few. 3% is the normal dilution for external use but that is still enough to burn you if you are getting it on your skin regularly. Ingesting 1-2% will induce vomiting and strip the soft tissue from the inside of your throat as you puke it back up - it's not unheard of for Americans to use it for this in emergencies. So yes it will clean your tank but I don't know how much you would need to use or how well it would actually work and you will need to rinse the tank thoroughly before you refill it. If you had a method that was tried and tested I would probably go with that. Link to comment Share on other sites More sharing options...
LadyG Posted April 23, 2018 Report Share Posted April 23, 2018 (edited) Hypochlorite [bleach] is excellent cheap disinfectant of water tanks pipes etc, but you have a disposal problem unless it can be poured on waste ground. It will bleach your clothing, and likely kill the fish if it gets in to a watercourse. The smell will linger untill you have fully flushed the system. As a once upon-a-time food and dairy hygiene expert, I have never used hydrogen peroxide in industry. Probably best to use a proprietry product and follow the instructions. Edited April 23, 2018 by LadyG Link to comment Share on other sites More sharing options...
MoominPapa Posted April 23, 2018 Report Share Posted April 23, 2018 3 minutes ago, LadyG said: Hypochlorite [bleach] is excellent cheap disinfectant of water tanks pipes etc, but you have a disposal problem unless it can be poured on waste ground, it will bleach your clothing, and likely kill the fish if it gets in to a watercourse. I doubt bleach will bother the fish unless you dump large quantities of it high concentration. By the time you've diluted a couple of bottles of bleach with the contents of your water tank, then diluted that again with the contents of the local canal, the fish probably won't even be able to taste it. Given its use in producing homemade explosives, buying large quantities of hydrogen peroxide will probably get you a visit from The Authorities these days. MP. 1 Link to comment Share on other sites More sharing options...
LadyG Posted April 23, 2018 Report Share Posted April 23, 2018 (edited) 6 minutes ago, MoominPapa said: I doubt bleach will bother the fish unless you dump large quantities of it high concentration. By the time you've diluted a couple of bottles of bleach with the contents of your water tank, then diluted that again with the contents of the local canal, the fish probably won't even be able to taste it. MP. I know, but its best to be safe, one never knows what people will do, and a little knowledge is a dangerous thing. Off the cuff, one bottle of bleach will be more than enough. Soak/circulate for ten minutes. The dirtier the canal water, the less it matters about disposal, and vice versa. Edited April 23, 2018 by LadyG Link to comment Share on other sites More sharing options...
Tumshie Posted April 23, 2018 Report Share Posted April 23, 2018 2 minutes ago, MoominPapa said: Given its use in producing homemade explosives, buying large quantities of hydrogen peroxide will probably get you a visit from The Authorities these days. The dilution % is also restrict in this country as it is a corrosive substance and could be used as an "acid" type weapon seemingly. But you can buy by the bucket load on amazon. Link to comment Share on other sites More sharing options...
MoominPapa Posted April 23, 2018 Report Share Posted April 23, 2018 9 minutes ago, Tumshie said: The dilution % is also restrict in this country as it is a corrosive substance and could be used as an "acid" type weapon seemingly. But you can buy by the bucket load on amazon. It's not difficult to take the dilute stuff and increase the concentration, which is the first step in making explosives. Allegedly. MP. Link to comment Share on other sites More sharing options...
Tumshie Posted April 23, 2018 Report Share Posted April 23, 2018 3 minutes ago, MoominPapa said: It's not difficult to take the dilute stuff and increase the concentration, which is the first step in making explosives. Allegedly. MP. I'll take your word for that. I just use it to clean the greenhouse and things like that. Link to comment Share on other sites More sharing options...
bizzard Posted April 23, 2018 Report Share Posted April 23, 2018 I used to be sent to the chemist for 20 peroxiode for my mums hair. I reckon blonde women were on Tom Jones' mind with his silly song ''Sex bomb''. Link to comment Share on other sites More sharing options...
RLWP Posted April 23, 2018 Report Share Posted April 23, 2018 (edited) 4 minutes ago, Tumshie said: I'll take your word for that. I just use it to clean the greenhouse and things like that. What, conservatories and porches? Can't think of many other things like greenhouses Edited April 23, 2018 by RLWP Link to comment Share on other sites More sharing options...
Tumshie Posted April 23, 2018 Report Share Posted April 23, 2018 7 minutes ago, RLWP said: What, conservatories and porches? Can't think of many other things like greenhouses Not necessarily that specific in building design but for things where I don’t want to use harsher products. Link to comment Share on other sites More sharing options...
MtB Posted April 23, 2018 Report Share Posted April 23, 2018 2 hours ago, 1agos said: What do you guys think about adding Hydrogen peroxide to the water tank to clean it after a winters lay off. What makes you think it needs cleaning in the first place? What have you been letting into it??! Link to comment Share on other sites More sharing options...
Parahandy Posted April 24, 2018 Report Share Posted April 24, 2018 6 hours ago, Mike the Boilerman said: What makes you think it needs cleaning in the first place? What have you been letting into it??! In 36 years of Boating and over several Boats I have never cleaned a Water Tank , I use the Shower and Boil all drinking water for Coffee or Tea , I was beginning to feel quite dirty and uncouth until I read your Post Mike ? Its always struck me that the Flushing of the Tank can easily introduce as many contaminants as one expels assuming as you say it needs cleaning in the first place 1 Link to comment Share on other sites More sharing options...
BruceinSanity Posted April 24, 2018 Report Share Posted April 24, 2018 16 minutes ago, Parahandy said: In 36 years of Boating and over several Boats I have never cleaned a Water Tank , I use the Shower and Boil all drinking water for Coffee or Tea , I was beginning to feel quite dirty and uncouth until I read your Post Mike ? Its always struck me that the Flushing of the Tank can easily introduce as many contaminants as one expels assuming as you say it needs cleaning in the first place This^^^ We never clean the tank though we do take care to use a short piece of hose in the filler that's kept in the boat and can be washed if necessary. We also use the Seagull IV filter for drinking and cooking water. Link to comment Share on other sites More sharing options...
Sea Dog Posted April 24, 2018 Report Share Posted April 24, 2018 So, remind me again: what's the point of a boat builder going to the trouble of fitting a potable fresh water system? Those of you who boil your water or use filters are welcome to, of course, but the fresh water system is designed to store and feed clean fresh, potable water. If you only fill it with clean, fresh, potable water (like from the drinking water supply) then that's exactly what should come out. If you think the tank or system is dirty such that you can't drink the water, fix it. Just as you would if your system designed to store clean diesel was contaminated or your cabin lights didn't work. 1 Link to comment Share on other sites More sharing options...
WotEver Posted April 24, 2018 Report Share Posted April 24, 2018 I used to clean my boat water system with the exact same regime and frequency as I use in the house water system. 1 1 Link to comment Share on other sites More sharing options...
Tony Brooks Posted April 24, 2018 Report Share Posted April 24, 2018 15 minutes ago, WotEver said: I used to clean my boat water system with the exact same regime and frequency as I use in the house water system. I still do ? 1 Link to comment Share on other sites More sharing options...
Momac Posted April 24, 2018 Report Share Posted April 24, 2018 (edited) I have recently been persuaded that a good flush out with fresh tap water is sufficient. But if I should use any product it would be this.............as a one off treatment than flushed out with fresh water http://www.poundland.co.uk/dr-johnsons-sterilising-fluid-1-litre . Edited April 24, 2018 by MartynG text added Link to comment Share on other sites More sharing options...
WotEver Posted April 24, 2018 Report Share Posted April 24, 2018 33 minutes ago, MartynG said: I have recently been persuaded that a good flush out with fresh tap water is sufficient. But if I should use any product it would be this.............as a one off treatment than flushed out with fresh water http://www.poundland.co.uk/dr-johnsons-sterilising-fluid-1-litre Which is bleach... http://www.mpmconsumerproducts.com/_images/_cms/files/Dr Johnson's Sterilising Fluid MSDS V4.pdf Link to comment Share on other sites More sharing options...
RLWP Posted April 24, 2018 Report Share Posted April 24, 2018 9 hours ago, Tumshie said: Not necessarily that specific in building design but for things where I don’t want to use harsher products. What about the top of lighthouses - they're rather like a greenhouse 1 Link to comment Share on other sites More sharing options...
LadyG Posted April 24, 2018 Report Share Posted April 24, 2018 (edited) 45 minutes ago, MartynG said: I have recently been persuaded that a good flush out with fresh tap water is sufficient. But if I should use any product it would be this.............as a one off treatment than flushed out with fresh water http://www.poundland.co.uk/dr-johnsons-sterilising-fluid-1-litre A waste of time and money, it is enough for a few babies bottles, totally useless as a sterilising agent in a water tank such as found on a boat. Its all about the strength of the solution, and the time of contact, in that order. . Edited April 24, 2018 by LadyG 1 Link to comment Share on other sites More sharing options...
MtB Posted April 24, 2018 Report Share Posted April 24, 2018 3 hours ago, Parahandy said: In 36 years of Boating and over several Boats I have never cleaned a Water Tank , I use the Shower and Boil all drinking water for Coffee or Tea , I was beginning to feel quite dirty and uncouth until I read your Post Mike ? Its always struck me that the Flushing of the Tank can easily introduce as many contaminants as one expels assuming as you say it needs cleaning in the first place Like you, I find the water in my tank never degrades, even if left untouched for months or years and I too have been boating for 35+ years. But unlike you I don't boil the water prior to drinking (unless necessary for the beverage e.g. tea) and arguably it has done me no harm either for my 35+ years of boating. Nor can I think of ANY other liveaboard who does. If you inspect the interior of a fully closed modern tank made of opaque plastic or stainless steel it always looks immaculate and pristine, including the water in it. 1 Link to comment Share on other sites More sharing options...
WJM Posted April 24, 2018 Report Share Posted April 24, 2018 I pop a water purifying tab in with every fill and very occasionally I add some Milton baby bottle cleaning fluid and then flush it out. Both are designed to be safe for human consumption. Link to comment Share on other sites More sharing options...
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