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Discussion Starter · #1 ·
Can this be used in tanks?
Ingredients composition is something like this :

Soluble Potash (K2O) 6.00%
Sulfur (S) combined 12.00%
Magnesium (Mg) 0.40%
Boron (B) 1.00%
Copper (Cu) 1%
Iron (Fe) 8%
Manganese (Mn) 6%
Molybdenum (Mo) 0.04%
Zinc (Zn) 4.5%
Inert Ingredient 60.6%

I think some looks too high and dangerous (Cu, S, Zn etc)
What do you think?
 

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What is this sold as? Is it for hydroponics? House plants? Greenhouse production? Some other crop?

What forms are those minerals? Are they chelated? or the sulfate forms? Some other form? Given the high % of sulfur, it seems they are the sulfate forms.

Compare the levels of this product with the ingredients in Nutritrace CSM+B. Old posts will list it as Plantex CSM+B, but I do not think the formula has changed. CSM+B has mostly chelated minerals. This means they will remain available to the plants longer than most other forms.

It may be safe to use if you dilute it so that no one ingredient is higher than the amount you would get from CSM+B, but would that make some of them such a small dose it is not worth using? I agree the ratios look wrong.
 

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Discussion Starter · #4 ·
Copper and manganese seem particularly high. I would avoid using this.
What is this sold as? Is it for hydroponics? House plants? Greenhouse production? Some other crop?

What forms are those minerals? Are they chelated? or the sulfate forms? Some other form? Given the high % of sulfur, it seems they are the sulfate forms.
thanks you for the responses

Diana,
it is sold as garden micro ferts, no information available of what form these minerals.

direction of use is to dilute 1-2 grams of this into 1 liter of water and spray on the garden plant leaves.

Compare the levels of this product with the ingredients in Nutritrace CSM+B. Old posts will list it as Plantex CSM+B, but I do not think the formula has changed. CSM+B has mostly chelated minerals. This means they will remain available to the plants longer than most other forms.

It may be safe to use if you dilute it so that no one ingredient is higher than the amount you would get from CSM+B, but would that make some of them such a small dose it is not worth using? I agree the ratios look wrong.
i also have thought about diluting it too, but what you said is true

X vs CSM+B
S 12% vs not mentioned
Mg 0.4% vs 1.5%
B 1% vs 3.8%
Cu 1% vs 0.1%
Fe 8% vs 7%
Mn 6% vs 2%
Mo 0.04% vs 0.06%
Zn 4.5% vs 0.4%

this mean i have to use this brand 10 time less because of the copper level.

so anyway, let's say that i make 100 grams of this into 1 liter solution. then i add 10 ml of this into a 100 liter tank.

please check my math
would that make me add 0.1 ppm of cu into my tank?

and that will be lethal to my amano shrimp :
Aquarium Calculators | Copper Toxicity for invertebrates and fish in a planted aquarium
 
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