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Results 1 to 9 of 9
  1. #1

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    Default How to tell when cloramines are removed


    0 Not allowed!
    So I was told to use any where from normal dosing to 5x of erase cl from brightwell. I want to switch to prime but I was wondering how I can tell if I have put enough in my tap water? Is there a set amount to use to remove x ppm of cloramines? Also has anyone ever had the nitrogen bubbles from tap water mess with their fish. I read something saying the bubbles that form after using water straight out of the tap can form inside the fish almost causing a bends type issue. Seems overly paranoid but kinda possible I guess.

  2. #2

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    http://www.seachem.com/prime.php

    Nitrogen bubbles from the tap are usually not an issue as long as you match tap temp to tank temp...also, it is best to let the water "fall" into the tank rather than submersing the hose from the sink, IMO

    http://www.advancedaquarist.com/2014/8/fish
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  3. #3

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    I've never dealt with chloramines but they will read on regular chlorine tests... I've also heard that just like chlorine they do dissipate in time on their own it's just more like 3-4 days rather than one or two.

  4. #4

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    Unless I'm outright missing it, it appears Seachem no longer provides the detoxification specs of its product vs ammonia, chlorine and chloramine per recommended dose like it used to. Nowadays they're only listing the recommended dose.

    Back in 2009, this is what the standard dose (1 tsp per 50gal of water) of Prime used to detoxify:
    0.6ppm of ammonia, 3ppm chloramine or 4ppm chlorine.
    ( http://www.aquaticcommunity.com/aqua...006#post666006 ): I acquired the detox levels directly off the container of Prime I had at the time).

    As of today, of the retail sites I've searched, I've only found MarineDepot provides Prime's product manual which states that a standard dose (1 capful (5 mL) for each 200 L (50 gallons) removes: "approximately 0.8 mg/L ammonia, 1.2 mg/L chloramine, or 3.3 mg/L chlorine". [mg/L=ppm)

    So looks like Prime's chloramine detox capability has been adjusted over the years. The EPA's maximum for chloramines in tap water is 4ppm so to play it safe I would dose vs that amount (which is a little more than 3x the recommended dose). The chloramine levels in my city (based on the annual water report ) is 3.9ppm.

    With Prime you can safely dose up to 5x the standard dosage as long as the water temp is below 86F.
    Last edited by kaybee; 11-11-2017 at 12:48 AM.
    African cichlid and saltwater aquariums

  5. #5

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    Quote Originally Posted by MNcarpenter View Post
    So I was told to use any where from normal dosing to 5x of erase cl from brightwell. I want to switch to prime but I was wondering how I can tell if I have put enough in my tap water? Is there a set amount to use to remove x ppm of cloramines? Also has anyone ever had the nitrogen bubbles from tap water mess with their fish. I read something saying the bubbles that form after using water straight out of the tap can form inside the fish almost causing a bends type issue. Seems overly paranoid but kinda possible I guess.

    Check your water quality report for chloramine level. Generally, double the dose of Prime is enough to remove 4ppm of chloramines

  6. #6

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    So do chlorine tests differentiate between the 2 or I guess I don’t want either so as long as both are tested for a negative is all I need. Has anyone used brightwell erase cL or know what it can remove?

  7. #7

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    Thanks for the gift! I bow to your experience so i wanted to be sure that i did not give the OP wrong info. - Silbar   Tx for all the help for me and everyone else! - angelcraze2   Rocksor knows cichlids! - Brhino   Can''t give rep points, but great job on the diagnosis/treatment - Boundava   Sending you a geophagus to  tank you for your analytical powers! - discusluv   

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    0 Not allowed!
    Quote Originally Posted by MNcarpenter View Post
    So do chlorine tests differentiate between the 2 or I guess I don’t want either so as long as both are tested for a negative is all I need. Has anyone used brightwell erase cL or know what it can remove?
    Chlorine tests work on free chlorine, not bound chloramine.

    http://brightwellaquatics.com/products/erase-clt.php

  8. #8

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    I have heard from a few people now that cloramines will dissipate w/o chemical assistance after 4 days. Also is there any benefit to placing an air stone in my wc buckets overnight befor I use the water?

  9. #9

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    Thanks for the gift! I bow to your experience so i wanted to be sure that i did not give the OP wrong info. - Silbar   Tx for all the help for me and everyone else! - angelcraze2   Rocksor knows cichlids! - Brhino   Can''t give rep points, but great job on the diagnosis/treatment - Boundava   Sending you a geophagus to  tank you for your analytical powers! - discusluv   

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    1 Not allowed!
    Quote Originally Posted by MNcarpenter View Post
    I have heard from a few people now that cloramines will dissipate w/o chemical assistance after 4 days. Also is there any benefit to placing an air stone in my wc buckets overnight befor I use the water?
    It depends on how much chloramine is in the water, how much water volume is involved, and whether or not there is surface agitation. Without a chloramine test kit, you will not know if the chloramine is no longer present.

    https://www.morebeer.com/articles/re...nes_from_water

    Standing. This, too, will work, but only after a very long time. Chloramines can have a very long half-life in standing water. County water in my area exhibits a chloramine half-life of about 155 hours when standing undisturbed in a 15-gallon stock pot. This means that this water, with its nominal 3 mg/L chloramine out of the tap, would be down to 1.5 mg/L after 155 hours, 0.75 mg/L after another 155 hours, and so on. Reducing 3 mg/L chloramine content to 0.025 mg/L takes seven half-lives, or 45 days! The length of time required will vary, of course, depending on the chloramine concentration of the water. The time can be appreciably shortened by aeration or stirring, but standing is still not going to be a practical method of chloramine removal.
    Last edited by Rocksor; 11-14-2017 at 05:43 PM.

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