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Is it ok to leave 100ppm hypochlorite in tank after sanitization
I have 5 500L and 1000L tanks that i make cleansing Products regularly. Sometimes sales are low and i dont produce high quantity of products so dont use all tanks. Sometimes some tanks are not used for several months.
I sanitize tanks with 100ppm hypochlorite for 30 minutes before each use and also after production if i know that i will not produce another batch next day in that tank.
Our tanks have cap but they are not air tight.
My question is: if i don’t use a tank for several months, is it ok and good idea to sanitize it with 100ppm hypochlorite and leave the hypochlorite there and don’t rinse it to better protect the tank from any type of bacteria or fungal or it is not a good idea to leave the hypochlorite there?
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14 Replies
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Hypochlorite can pit stainless steel on standing, so take this under consideration. Otherwise, if HDPE, fiberglass, other material is in place, no problem. Now it will reduce to all water given enough time standing, wherein you have standing water inside your tank. Not good, right?
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Good
I will not have standing water in it. I usually just spray hypochlorite inside the tank for 30 minutes and then rinse with process water.
For these tanks i want to spray hypochlorite, dont rinse it and let it dry there. Is this ok?
Tanks are metal but not SS. I don’t know the metal name in english but it is commonly used for water storage in houses.
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Likely carbon steel, which is even more susceptible to corrosion from oxidizers. For a brief 30 minutes sanitizing cycle though, no problem.
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Got it.
So it is not a good idea.
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30 minutes and rinsed. What is quality of your rinse water.
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It is filtered water. We purchase it.
This is the specifications of water.
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thanks - was referring to the micro quality. does little good to sanitize if water reinculates bacteria
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I don’t know that one unfortunately.
Is it only Pseudomonas aeruginosa that is in water or other bacteria’s too?
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Other bacteria including Burkholderia - and any Gram negative bacteria.
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Thanks
How can i check for water contamination?
And more important, what is the least expensive way to make the water contamination free?
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This reply was modified 11 months, 3 weeks ago by Abdullah.
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This reply was modified 11 months, 3 weeks ago by
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Heat may not be cheap but works best.
You could use your process water - that offers no more risk than niormal making.
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Got it
Thanks 😊
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But drain the tank af rinsing. Do not want a volume of any water sitting beyond 6-8 hours - growing bugs
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Got it
Thanks you
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