Tropical Fish Keeping - Aquarium fish care and resources

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gsamu1 06-11-2008 07:31 AM

Converting a tank to fresh water
Hello, This is my first post at this site. I have a 55 gallon tank that was used for saltwater. It has been in storage for 3 years and I would like to convert it to fresh water. I realize that I can't use any cleaning solutions but what is the chance of rinsing the tank to get rid of all the salt and residue?

1077 06-11-2008 08:10 AM

You might try vinegar and warm water then rinse Hell out of it. :D

iamntbatman 06-11-2008 02:29 PM

I second that. Just go to town with a hose until all of the bigger chunks of grime and salt buildup are gone, then use a vinegar and water mix and a scrub brush.

gsamu1 06-11-2008 04:13 PM

Thanks for your answers. I guess once that is done, I can get a sacrificial fish to see if it lives.

okiemavis 06-11-2008 05:42 PM

You might as well kill two birds with one stone and cycle the tank with your guinea-fish. That is if you're ok with cycling using fish.

gsamu1 06-11-2008 06:27 PM

I understand about cycling a saltwater tank but I haven't had a freshwater tank in quite a while. I'm not into killing some innocent fish but could you explain cycling a freshwater tank.


Fish-addict 06-11-2008 09:51 PM

A suggestion would be to buy a brand new sponge, and put the tank in your bath tub. If you have a hydrometer, maybe you could fill it up and measure the salinity, and keep rinsing until there are no salt deposits detected?

gsamu1 06-12-2008 07:25 AM

Using a hydrometer is an excellent suggestion. I also have a wet/dry filter with a venturi and I will attempt to clean these and also use the hydrometer on them too. Thanks for the suggestions. If I can't remove all of the salt, then it looks like I will have another marine aquarium.

Oldman47 06-14-2008 10:23 PM

Explanation of cycling for freshwater is here
My own personal preference is a fishless cycle for the reason that you gave. I have no desire to harm any fish establishing a cycled tank.

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