How to sanitize a tank? - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 02-15-2012, 05:58 PM Thread Starter
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How to sanitize a tank?

How do I sanitize a tank? Do I wash it with potassium permanganate? Something else?

Also, after using PP to sanitize my nets and things, how do I dispose of the potassium permanganate/water solution properly? Would it cause problems with the septic system if I poured it down the drain?
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post #2 of 6 (permalink) Old 02-15-2012, 07:28 PM
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Just use a little bit of bleach and then rinse it out after 24 hours and refill with water and lots of de-chlorination liquid.
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post #3 of 6 (permalink) Old 02-15-2012, 07:29 PM
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Why are you trying to sanitize it? Was there a disease outbreak? If so, I'd think thoroughly drying the tank out, then sponging down the inside with a 10% bleach solution would kill 99% + of any nasties that might be in there. Rinse it thoroughly, and use some tap water dechlorinator for good measure in the rinse.

If there hasn't been a disease outbreak, don't bother.
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post #4 of 6 (permalink) Old 02-15-2012, 08:04 PM
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If there was Mycobacteriosis then follow up the bleach & rinse with a rubbing alcohol & rinse.
Bleach alone is not enough.

If it is more of a general clean up I would start with this:
Hot water and as much salt as will dissolve in the water.
Allow it to cool so it is easily touchable (under 100*F if you want to be fussy)
Wet a cloth in the salt water, and scoop up some dry salt. Use the dry salt to scrub. It is abrasive, so will clean off things like algae that may be stuck to the glass.
Slosh a lot of salt water around then follow up with lots of fresh water rinsing. Then sun-dry the tank. The UV in sunlight and the drying is enough to kill just about anything that has survived a salt water treatment.
Any remnant of salt (after a diligent rinse) is so small it will not affect fish or plants.

Do not use anything but approved materials on an acrylic tank. I do not know if dry salt is too abrasive. You can do the salt water washing without any dry salt.

If you must use PP be VERY careful, follow all the safety precautions.
Hydrogen Peroxide will deactivate it.
1) Wash with PP per label directions.
2) Rinse well, following all directions about disposal.
3) refill w/ H2O2 (or at least slosh it well onto all the sides and into all the corners like up under the rim)
4) Rinse well, followed by drying in the sun. Sunlight degrades H2O2.

If any trace of hydrogen peroxide remains in the tank (after step 4) it is such a small amount it will not affect fish or plants.
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post #5 of 6 (permalink) Old 02-15-2012, 08:25 PM Thread Starter
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I was wanting to sanitize the tank because it was a shrimp tank, and I decided to upgrade tanks, so I moved all the shrimp I could catch to the larger tank. However, I knew there were likely some small shrimp still in there, so I left it partially full of water but removed the filter, light, etc. I've seen at least one shrimp still in there, but the water hasn't been changed and hasn't been moving in over a month. Thus why I wanted to sanitize the tank after I empty it.

As for the PP, I got it off ebay, and it came in a plastic baggie with no directions. Thus, why I am asking about proper disposal. If I use the PP, I need to rinse the container with h2o2 after use?
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post #6 of 6 (permalink) Old 02-15-2012, 10:43 PM
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lol the new habitants of that home wouldn't be happy with me then. i'd jus rinse it, wipe it dry, set in sun for a few hours, fill with stuff and fish

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