Re: mixing powders & substrate vs. dissolved nutrients

• To: Aquatic-Plants at actwin_com
• Subject: Re: mixing powders & substrate vs. dissolved nutrients
• From: Hoa Nguyen <nguyenh at nosc_mil>
• Date: Thu, 06 Feb 1997 11:23:58 -0800

>From: spush at saudan_HAC.COM
>Date: Wed, 05 Feb 1997 15:34:42 PST
>Subject: Re: mixing powders & substrate vs. dissolved nutrients
...
>calcium (Ca) and potassium (K). With the PMDD method
>unless you have sufficient Ca in your tap water, YOU
>need to add some form of calcium. One tsp of calcium

Hi Steve,

This brought back a question I had which was not answered.
How much Calcium (mg/L) in the tap water do you consider 
sufficient?

Thanks,
Hoa

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