Need help with a different type of trace - The Planted Tank Forum
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post #1 of 3 (permalink) Old 01-13-2016, 02:10 AM Thread Starter
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Need help with a different type of trace

Hi everyone I'm looking for a little help with dry trace. I have a small amount of trace I bought years ago from homegrown hydroponics but I never got around to use it. It's a little different then the CSM+B

Fe 7.0% 6.53%
Mn 2.0% 1.87%
Mg 1.5% 1.40%
Zn 0.4% 0.37%
Cu 0.1% 0.09
Mo 0.05%
B 1.8%
Co 0%

Fe 7.0%
Mn 2.0%
Mg not listed
Zn 0.4%
Cu 0.1%
Mo 0.06%
B 1.3%
Co not listed

My questions are

1. with those slight differences can I still dose the HH?
2. do I need to add anything to make up the Mg missing?
3. will the higher levels of B and Mo cause a problem?

Thanks in advance

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Last edited by filipem; 01-13-2016 at 02:48 AM. Reason: Strange copy and paste thing happend
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post #2 of 3 (permalink) Old 01-13-2016, 03:46 AM
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When targeting the same dose of Fe from both substances, the concentrations are as so.

		CSM+B			HH
B		0.012251149		0.018571429
Cu		0.001378254		0.001428571
Fe		0.1			0.1
Mn		0.02863706		0.028571429
Mo		0.000765697		0.000857143
Zn		0.005666156		0.005714286
The only significant difference being Boron. I don't expect there will be any issues providing you make up any Fe deficiency in your tank with a separate Fe source, rather then over dosing HH.

Forget the Mg, freshwater needs well in excess of what CSM+B gives. If your water needs Mg, use something like MgSO4 instead.

Feel free to edit.
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post #3 of 3 (permalink) Old 01-13-2016, 03:35 PM Thread Starter
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Great. Thank you for taking the time to respond in that fashion. I dose for iron separately already. I figured Mg was not a concern but I do have MgSo4 on hand should I ever need it.

Thanks again
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