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RE: [APD] Kent RO Right Instructions & GH Testing
Sorry I meant Calcium Chloride. You can use Calcium Carbonate if you want
to increase both KH and GH. Lots of stuff on R/O in the archives.
"You can get Calcium Carbonate (CaCO3) at a pool supply store, but prepare
to buy in bulk. I finally got a lamotte test kit and have started to
measure my GH. I've noticed that my doses accumulate, so you will have to
figure out what works for you."
From: Greg Fiske [mailto:gfiske at sbcglobal_net]
Sent: Tuesday, October 14, 2003 9:20 PM
To: 'aquatic-plants at actwin_com'
Subject: RE: [APD] Kent RO Right Instructions & GH Testing
"According to a chemist who works for a major aquarium products company (and
who shall remain nameless), Kent's RO Right is merely a repackaged form of
Aquarium System's "Instant Ocean" salt mix. If he is correct, and his advice
to me usually is, it is capable of adding all the necessary ions and
electrolytes to recreate "typical" water values for RO water. Kent however,
is not very forthcoming when asked what they mean by "typical" - they just
gave me hype and confusion when I asked them about the subject last year.
Different lakes and rivers have different ratios of the various anions and
cations present, so I don't know where the term "typical" lies. Be that as
it may, RO Right is what I used for a few years to adjust the Total Hardness
of my RO water, and I had no problems with the product."
Kent marine doesn't tell you what is in the product so I stopped using it.
The problem with Seachem's equilibrium is that it overdoses K for the
recommended dose (gives you 60pmm when we are looking for 15-20). I do it
the cheap way and get exactly what I want,
If 100% R/O 1/2 tbs seachem equilibrium = 6 dh (GH), 3/4 tsp baking soda= 6
dh (KH) to 5 gallon jug. Heat water to 74 F.
Alternative : 1/2 tsp of magnesium sulfate in 5 gallon will give you 14 ppm
mg. Turboâ€¢Calcium will increase the aqueous calcium concentration in 5
gallons of purified water by 30 ppm; this is about 1/4 teaspoon and gives
you a GH of 6.
You can get Calcium Carbonate (CaCO3) at a pool supply store, but prepare to
buy in bulk. I finally got a lamotte test kit and have started to measure
my GH. I've noticed that my doses accumulate, so you will have to figure
out what works for you.
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