A while back a formite recommended the use of Chloromine-T as the "best" way of cleaning water tanks - Does anybody have recommendations on the concentration to use?
Tank cleaning is a regular topic but I do not remember ever having seen chloramine T suggested.
It is used for treatement of fish for certain diseases or parasites at a rate of 1.5 to 5 mg per litre depending on the water hardness but thats not much help!
Milton, the stuff for sterilising babies' bottles, is a favourite of some. Others who are not prepared to pay £3 or so for a bottle of Milton and who are happy to drink all the other nasties in house hold bleach use that.
You will find the doseage for sterilising drinking water on the Milton bottle although for a really dirty tank you would want to use several times that dose. Personally I have found Milton excellent for keeping the tank sweet if used at the recommended rate.
At over £14 for 100 g chloramine T would seem to be a very expensive option. It would be more sensible to buy a proprietary tank cleaner and follow the instructions that come with that IMHO.
Why do you want to use it? Because you have some left after treating the Koi?
Following a thread here a couple of years ago by a ships doctor, I have applied the following:-
A) super chlorination of contaminated tanks 100mls of bleach to 100 lltrs of water.
B) storage water - 1ml per 100 ltrs. 1mil = 15 drops (approx one teaspoon).
Still here to tell the tale
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A) super chlorination of contaminated tanks 100mls of bleach to 100 lltrs of water.
B) storage water - 1ml per 100 ltrs. 1mil = 15 drops (approx one teaspoon).
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(A)After cleaning tanks with that much household bleach I would want to flush them out very thoroughly to get rid of all the ingredients in the bleach that it might not be advisable to consume
(B) For this I would prefer to use Milton, despite the boating budget busting price of £1.75 per 500ml, because I know there is nothing harmful in it other than sodium hypochlorite and sodium chloride. The recommended dose for treating drinking water is 5ml per 10 litres then allow to stand for 30 mins before use.
15 drops my be approx 1ml but there are approx 5ml to a teaspoon.
Keep the household bleach for the laundry and cleaning bogs and drains!
Mmm... I'm afraid I'm one of the Chloramine gang...As Vic says, household bleach is not the safest product to get into your system, and thorough rinsing is indeed mandatory.
I'm not familiar with "Milton", but almost all tank cleaning stuff is chlorine based in some form or other. Chloramine-T is widely used in hospitals and labs as an antiseptic (as for cleaning water baths), and in swimming pools and jacuzzis.
Vic is right too about the price; however, the advantage is that you only need a small amount for it to work, about one gram or even less in a 100 litre tank would do. Leave it 24 hrs.
As with ALL of these products, you have to rinse afterwards.
The main advantages of Chloramine-T are the high solubility, and the fact that it doesn't attack a steel tank, since it is less alkaline than bleach . Also, Chloramine-T doesn't adhere to tank walls and tubes, and rinses off easily, and is bio-degradable as well. Just keep it from your hands and eyes, and don't inhale the dust-like powder.
I believe it is sold in pill form too, which takes away many of the disadvantages. And I get my dose free from the nice lady at the Pharmacy each year... /forums/images/graemlins/grin.gif
[/ QUOTE ] It is a solution that is used for sterilsing babies feeding bottles. Just NaOCl and NaCl but still quite a high pH undiluted as NaOCl solution always will be. (2% NaOCl) Diluted 15 ml to 2.5 litres for that pupose and the bottles are drained but not rinsed. There is also a powder, or tablets but I do not know what that is.
I have an idea that it is not available in all countries though.
Thanks to all for your replies.
I'm with thalassa on this one, I was recommended Chloromine-T as the best way of cleaning tanks as the other methods don't clean up all the other bugs we find lurking in the tanks. I used it a few years ago with great results - I just forgot the dosage.