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Results 1 to 7 of 7
  1. #1

    Join Date
    Mar 2018
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    Default Aquarium water deposit build up; how to remove?


    0 Not allowed!
    Hi,

    I have a tank with a lot of hard calcium? (or whatever is in my water) that's attached to the top of the glass. Please see picture, it is the opaque white stuff on the glass.

    It's been building up for about a month and I've just ignored it thinking I can just wipe it off anytime. Unfortunately, I finally was bothered enough to try to wipe it off recently and found that it does not come off (in fact, the picture shows the result after an hour's hard scrubbing with a rag).

    I think it is the water deposits as the water evaporate from the tank. I've move this tank to a very cold room 2 months ago so there was a lot of evaporation. (I had to upgrade its heater because the temp difference was 30-40 degrees F between room temp and tank temp.)

    So, I'm wondering if anybody had this happen? And what's the best way to remove it?
    Thanks !

    IMG_1193.JPG

  2. #2

    Join Date
    Jun 2008
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    Default


    0 Not allowed!
    Some sort of algae cleaner with a scraper blade should do the trick. I use the Fl!pper for my reef tank to easily scrape off calcareous coraline algae, but something like the Mag-Float-30 Small Glass Aquarium Cleaner (w/Scraper Option) may work for you.
    Last edited by kaybee; 03-02-2020 at 01:11 AM.
    African cichlid and saltwater aquariums

  3. #3

    Join Date
    Jan 2015
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    Toronto, Canada (eh!)
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    0 Not allowed!
    Yay for hard water - I'm with you on that, my Crested Gecko tanks get that way after a while too from the mister I use.-- The only way I avoid it in my fish tanks is keeping up with evaporation, I tend to top off tanks every few days if they don't have a good fitting lid!

    Vinegar gets it off easy, but I don't think you'd want to get that in the water column, unless you're looking to make some teeny fish n chips.

    I think a Glass scraper blade may be the best bet, like Kaybee said.
    Meet the tanks:
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    Hubby's 75 Gal - cycling - planned Mbuna tank

  4. #4

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    Default


    2 Not allowed!
    Plain white vinegar. Remove the lid, place it on a towel, wipe with a rag soaked in vinegar. Rinse well with tap water. Replace on tank.
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  5. #5

    Join Date
    Apr 2017
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    Default


    1 Not allowed!
    In order of my process to clean hard water marks on aquariums.

    First try hot water, straight vinegar, and/or a heavy salt water mix... Those are listed in order of harshness for hardness and all require a serious amount of elbow grease to back them up.

    If that fails try filling the tank and soaking it a week to 10 days and scraping with a new flat straight razor blade... usually super effective, also requires elbow grease plus patience and you can seriously jack up some silicone with a straight razor so really be careful.

    Magic eraser.... use per directions on the box and rinse until you are 500% sure it's clear of residue.

    Beyond that its harshness with health risks for fish if not cleaned properly (insert choice hard water cleanser or abrasive cleanser I've used a couple last was bartenders friend as I could not find comet locally at the time which was weird) Take extreme caution and rinse until you are 10,000% certain there's no residue and then rinse that much more again.... If you're anything like me soak it over night and give another round or two of rinsing again.... I actually think I soaked and rinsed twice last time because I'm a bit paranoid lol

  6. #6

    Join Date
    Feb 2020
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    Default


    0 Not allowed!
    Quote Originally Posted by sfsamm View Post
    In order of my process to clean hard water marks on aquariums.

    First try hot water, straight vinegar, and/or a heavy salt water mix... Those are listed in order of harshness for hardness and all require a serious amount of elbow grease to back them up.

    If that fails try filling the tank and soaking it a week to 10 days and scraping with a new flat straight razor blade... usually super effective, also requires elbow grease plus patience and you can seriously jack up some silicone with a straight razor so really be careful.

    Magic eraser.... use per directions on the box and rinse until you are 500% sure it's clear of residue.

    Beyond that its harshness with health risks for fish if not cleaned properly (insert choice hard water cleanser or abrasive cleanser I've used a couple last was bartenders friend as I could not find comet locally at the time which was weird) Take extreme caution and rinse until you are 10,000% certain there's no residue and then rinse that much more again.... If you're anything like me soak it over night and give another round or two of rinsing again.... I actually think I soaked and rinsed twice last time because I'm a bit paranoid lol
    Thank you for such a valuable information. I was looking for detailed explanation. Really appreciate your reply!
    I have a problem right now that's very similar to the one above.

  7. #7

    Join Date
    Mar 2018
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    0 Not allowed!
    Quote Originally Posted by Kikegela View Post
    Thank you for such a valuable information. I was looking for detailed explanation. Really appreciate your reply!
    I have a problem right now that's very similar to the one above.
    http://www.aquaticcommunity.com/aqua...4&d=1583098146
    Did you get a chance to try any of the methods? How did it work out?

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