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Re: K+ potassium

Rod wrote:
> 120 gallon tank with what I think are fairly high nitrates
(3.0 on Lamotte's test, I think that is about 13.2ppm NO3) and
I think is fairly low potassium (all large-leaved species end up
big holes in the older leaves).

I am adding each day 4 ml of Leaf Zone plus 4 ml of a mixture
equal parts of
(1) Leaf Zone
(2) RedSea Flora Fe
(3) RedSea Flora Vit
(4) Kent Freshwater Plant
(5) KNO3 (a saturated solution from stump remover)
Making it more complex than it really has to be.
Two questions.
(1) How can I measure potassium levels.  Nobody seems to have a
test kit.
Lamott does and you don't need it. Add 1 teaspoon once a week of
K2SO4(Potash of sulfate) to your tank. Yep it's that simple.

(2) What potassium containing substance can I add to increase K
(potassium chloride?, potassium sulphate?) that will not be
and will not add nitrates, and what common household product
it (I can't seem to find a chemists store in Houston selling
Go down to the local hardware store or nursey etc. Ask for Green
All brand(see above). It'll cost about 5$ for a lifetime supply.
Now your done with K+, next nutrient please:)
Tom Barr

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