Copper in Nualgi?

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This topic contains 3 replies, has 3 voices, and was last updated by  NualgiAquarium 6 years ago.

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  • #707

    nualgi
    Keymaster

    I understand that Nualgi contains copper. Copper is toxic to fish. How can this be safe for fish and other animals in the aquarium.

    #720

    nualgi
    Keymaster

    Jodi H. asked  “I see that your product has copper in it, we have a puffer and copper is not safe for them, I am assuming we cannot use your product?”

     

    Our response-Nualgi does contain Cu but as it is a nano formulation, 1 ml contains 0.0000001 gms of cu.

     

     

    Nualgi particles are 5 to 50 nanometers in diameter. 1 millimeter = 1,000,000 nanometers. Traditional products are either “coarse particles” with a diameter of 2,500 to 10,000 nanometers or “fine particles” with a diameter of 100 to 2,500 nanometers. Nano particles are known to have different properties than larger sized particles of the same element. Nano particles have a larger active surface area and can suspend themselves in liquid and are therefore more efficient.

    Other products may contain copper and those elements could harm fish in bigger particle sizes. Nualgi is safe for fish and we have had more than one extreme overdose with no loss of fish or corals.

    #1899

    micpeezy
    Participant

    Though I have been using it for over four weeks and have seen improvement in coral and the overall health to my system. I was wondering why there is even copper in this product and what is its purpose.

    #1912

    NualgiAquarium
    Keymaster

    A minute amount of copper is required for the diatom bloom. Here is the full post from our FAQ page where we cover this topic exhaustively

    The relationship between copper in the organism and in its environment is complex as it depends on the particular organism and on the bioavailability of copper. Copper is an essential mineral for humans, plants and organisms. For humans, it is required by the body for bone and connective tissue production, and for coding specific enzymes that range in function from eliminating free radicals to producing melanin. A deficiency in copper can lead to osteoporosis, joint pain, lowered immunity etc.

    According to University of Florida research, recommended Cu2+ concentrations of 0.15–0.20 mg/L, free copper is toxic to a number of organisms that are pathogens of fish. Some species of fish are highly sensitive to copper and will die even at concentrations below therapeutic levels (i.e., less than 0.15 mg/L free copper). Copper concentration in Nualgi is at 0.0005mg per L which is further diluted in the tank by a factor of 100 dosing 1ml in 30 gallons.

    Furthermore, Nualgi is a nano scale formulation. As indicated elsewhere in this FAQ, nano particles have different properties to coarse particles. This small amount of copper is required for the diatom bloom and is considered safe for aquatic life. Two of our trialists mistakenly dosed the entire 12 week dose at once. No impact was seen on the aquatic life in their tank.

    Because of its nanosize, Nualgi is able to pervade very small spaces in the subsurface and remain suspended in water. This allows particles to travel farther and dissipate quicker than coarse particles thereby increasing the bioavailability of the nutrients for easy absorption. The iron and other micronutrients in nano form cannot precipitate out or gel in the water as it happens when they are added directly as salts

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