eebwen

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#1

Does anyone know the ppm of calmag straight out of the bottle? I made my own and want to compare the ppm, thanks.

 

Aqua Man

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#2

eebwen said:

Does anyone know the ppm of calmag straight out of the bottle? I made my own and want to compare the ppm, thanks.

Click to expand...

Add equal parts to equal water to test. The ppm will be way to high to accurately measure I would think

 

Aqua Man

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#3

But with that said ppm won't tell you if there is a difference in ratios

 

eebwen

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#4

I’m just trying to figure out if the calmag I made is equal to botanicares calmag. My homemade calmag is 1200 ppm. Seems weak

 

eebwen

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#5

I don’t have any of botanicares calmag to judge by

 

Aqua Man

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#6

You want about 120 ppm of cal mag in RO so about 1 litre of yours in 10 litles of RO will be a little under 120ppm

 

eebwen

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#7

Thanks I’ll try it

 

BillFarthing

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#8

Cal-Mag Plus

Nitrogen 200
Magnesium 120
Calcium 259
Sulfur 160
Iron 10.00

Grams

Calcium Nitrate 488.9
Magnesium Sulfate 464.0
Iron Chelate 38.57

Volume of Stock Solutions 1 gallon
Dilution Rate 100


GLOW's Cal-Mag (5 ml/l)

-Measure out 750 ml RO water
-Add 4 grams calcium chloride and stir until fully dissolved
-Add 6 grams magnesium nitrate and stir until fully dissolved
-Add 23 grams calcium nitrate and stir until fully dissolved
-Top up to 1 liter

NO3-33.8
Mg-5.6
Ca-52.6
Cl-24

 

eebwen

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#9

Thank you been searching all day

 

rmb0513

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#10

Great ibfo
Curious is this for hydro or soil?
If soil what would I need to change to use in hydro

 

Aqua Man

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#11

rmb0513 said:

Great ibfo
Curious is this for hydro or soil?
If soil what would I need to change to use in hydro

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Either no issue. Nitrogen used is no3 (nitrate) if it was nh4 (ammonium) then I would only use in soil.

 

king_of_nothing

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#12

BillFarthing said:

Cal-Mag Plus

Nitrogen 200
Magnesium 120
Calcium 259
Sulfur 160
Iron 10.00

Grams

Calcium Nitrate 488.9
Magnesium Sulfate 464.0
Iron Chelate 38.57

Volume of Stock Solutions 1 gallon
Dilution Rate 100


GLOW's Cal-Mag (5 ml/l)

-Measure out 750 ml RO water
-Add 4 grams calcium chloride and stir until fully dissolved
-Add 6 grams magnesium nitrate and stir until fully dissolved
-Add 23 grams calcium nitrate and stir until fully dissolved
-Top up to 1 liter

NO3-33.8
Mg-5.6
Ca-52.6
Cl-24

Click to expand...

@BillFarthing Just checking if I understand the Cal-Mag Plus recipe: does this mean you dilute about half a kg of both calcium nitrate and magnesium sulfate together with 40 gram of iron chelate in 1 gallon of water and stir it up? Then add another 99 gallons of water to get the final solution of Cal-Mag Plus?

 

BillFarthing

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#13

It should be magnesium nitrate. Calcium and sulfate can't go together or it makes a precipitate in the bottle.