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Old 01-21-2020, 04:00 PM   #9 (permalink)
hoppycalif
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Default Re: CSM+B Iron dose

My city water isn't checked for phosphates. But, if it had more than a trace there wouldn't be that much iron in the water. Iron would precipitate out.

I looked at my supply of CSM+B and it looks like I added enough iron to it years ago to double the iron in the mix (as I vaguely remember it). So, I'm not sure how much iron is in the mix. I just bought a small bottle of Flourish Iron from Amazon to use instead. I'm much more confident that it has a knowable amount of iron.
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