Page 50 - Water and the Aquarium
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GARGAS: Water and the Aquarium               Page 50
               GARGAS: Water and the Aquarium
                                                            Page 50
                GARGAS: Water and the Aquarium               Page 50
        a “slug of water” through your lines that can be higher as this is what I
        a “slug of water” through your lines that can be higher as this is what I
        have experienced.
        have experienced.
               Chlorine effect fish by actually burning the gills. However, when
               Chlorine effect fish by actually burning the gills. However, when
        I lived in the Chicago area my water only had 1 ppm chlorine I was able
        I lived in the Chicago area my water only had 1 ppm chlorine I was able
        to add it in the aquarium with the fish and never suffered any effects as it
        to add it in the aquarium with the fish and never suffered any effects as it
        was neutralized immediately on contact with the water in the aquarium.
        was neutralized immediately on contact with the water in the aquarium.
        The mechanism of toxicity of Chloramine in fish is well known. Chlora-
        The mechanism of toxicity of Chloramine in fish is well known. Chlora-
        mine will pass through the gills of fish and enter the blood stream. There,
        mine will pass through the gills of fish and enter the blood stream. There,
        it reacts with hemoglobin, forming methemoglobin. The fish then suffer
        it reacts with hemoglobin, forming methemoglobin. The fish then suffer
        from anoxia (low oxygen in their tissues) because they have lost some of
        from anoxia (low oxygen in their tissues) because they have lost some of
        their hemoglobin, which is responsible for carrying oxygen in the blood.
        their hemoglobin, which is responsible for carrying oxygen in the blood.
        You may have seen this and not even realized it as very small amounts of
        You may have seen this and not even realized it as very small amounts of
        chloramine can cause this without killing the fish. The fish are not active
        chloramine can cause this without killing the fish. The fish are not active
        and just “hang” sort off. The amount that can cause this is 0.0056 ppm
        and just “hang” sort off. The amount that can cause this is 0.0056 ppm
        which is extremely low and most aquarists do not have the equipment to
        which is extremely low and most aquarists do not have the equipment to
        test for this.
        test for this.
               I have found a very inexpensive way to do this with the kit I
               I have found a very inexpensive way to do this with the kit I
        mentioned above. However, when you test you view the result from
        mentioned above. However, when you test you view the result from
        ABOVE over a white background and you view one sample with the
        ABOVE over a white background and you view one sample with the
        reagent added and one that is a blank you do this to pick up any yellow
        reagent added and one that is a blank you do this to pick up any yellow
        tint as that will give you a positive reading for an oxidant and down here
        tint as that will give you a positive reading for an oxidant and down here
        in the Tampa area in fact over 90% of the state Chloramine is used in
        in the Tampa area in fact over 90% of the state Chloramine is used in
        drinking water.
        drinking water.
               See Below sample on the left is the actual test on the right is the
               See Below sample on the left is the actual test on the right is the
        blank.
        blank.
        They look almost the same
        They look almost the same












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