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[APD] Re: Changing GH
Date: Wed, 10 Sep 2003 07:29:23 -0700
From: "Rachel Sandage" <rachelsor at hotmail_com>
Subject: [APD] Changing GH
To: aquatic-plants at actwin_com
I add Flourish Equilibrium to bring my GH up from 1 to 5. This seems to be
helping my crypts and nymphaea not to melt. I am curious, though. Should I
be able to see a drop in the GH over a week? Should I be adding more between
water changes?
Thanks,
Rachel
I have used it, too, Rachel. [*Seachem* "Equilibrium," that is. Mine
doesn't say Flourish.] The last two places I have lived have had water
entirely to soft for healthy fish or plants. The "Equilibrium" at least
gives me an analysis so I know what I'm adding.
Any trace of salt, in too-soft water, will kill plants and weaken most
fish, as living cells apparently need some Ca/Mg for proper metabolism
to offset the monovalent ions like Na and K. In Modesto (tds<35ppm), any
trace of salt always killed my Java Moss and Ferns, despite the fact
that they are usually collected in somewhat brackish estuaries,
commercially.
Adding a bit of "Equilibrium" turned them to lush growth, rather
quickly. The green looked much nicer than the earlier brown. :-)
Unless you have plants that eat gobs of the Mg/Ca, the GH should not
drop with time. Just add the right proportion to change water and it
should be quite stable.
Folks who live in hard-water areas are lucky. They can blend in RO and
still have all the essential trace elements.*
Wright
____________________
*My chief engineer used to say, "Always cut it too short. You can always
weld it, but what the hell are you going to do if you cut it too long?"
--
Wright Huntley -- 760 872-3995 -- Rt. 001 Box K36, Bishop CA 93514
Education is what you must acquire without any interference from your
schooling. -- Mark Twain
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