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Re: So how hard is my water?
>>The jar of ROR says that 2 teaspoons/ten gallons will yield "Medium hard"
water. In one tank which I'll use as an example, I have used several times
that much and still my aquarium pharmaceuticals GH test reports a hardness
My experience using RO Right is that it appears to increase KH but does
to nothing to increase GH. I have had good experience using RO Right
with calcium chloride and epsom salts to increase the GH. My recipe is as
To 25 gallons of RO water add roughly 1.5 - 2 tbsp RO Right, 0.5 tbsp epsom
and 1 tbsp calcium chloride.
This gives me a GH and KH of approximately 6. Perhaps you could use this
as a starting point to dial in your own recipe.
For those who question the need for RO water, I use RO water for my reef
and planted tank because my well water has a GH of 0.5 and a KH of 24.
I could think of no other easy way to make this water useable for a plant
then again I'm not a chemist. I also had a problem with large amounts of
precipitate forming when using this to prepare synthetic salt water.
Calcium chloride is generally available as a supplement for reef tanks. I
Kent Turbo Calcium.
I hope this helps a little.