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Re: Equilibrium, Ca and Mg levels
- To: Aquatic-Plants at actwin_com
- Subject: Re: Equilibrium, Ca and Mg levels
- From: Greg Morin <greg at seachem_com>
- Date: Wed, 31 Jan 2001 10:15:44 -0500
- In-Reply-To: <200101310848.DAA14788 at actwin_com>
- References: <200101310848.DAA14788 at actwin_com>
>This brings me to a question aimed at others who have used Equilibrium. I
>live in Portland, where tap water is generally 0 GH. On the Equilibrium
>instructions it says to raise GH of ten gallons by 1 degree GH, add 15g (1
>Tbsp.). I was aiming for 3 GH and I have 25 gallons, so I added 7.5 Tbsp.
>A few days later I tested the water with a tetra hardness kit and got a
>measurement of 9 GH. It struck me that the ratio of what I aimed for and
>what I tested at was the same as the ratio of Tsp. to Tbsp. I was wondering
>if anyone had noticed anything like this.
Check that label again ;-) It says to raise GH by 1 _meq/L_ add
15g/10 gallons. 1 meq/L is about 3 dH, so you aimed for 3 meq/L which
is 9 dH (which is what your test showed).
-Greg Morin
--
Gregory Morin, Ph.D. ~~~~~~~Research Director~~~~~~~~~~~~~~
Seachem Laboratories, Inc. www.seachem.com 888-SEACHEM
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~