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Re: [APD] holes in new sword leaves
I buy potassium bicarbonate from and Agricultural Supplies business here
called "Barnyard Trading" just outside Darwin in the NT. It comes in 25kg
bag for about $7.50 a kilo. They also supply other agricultural chemical
fertilisers and chelated trace elements, all the nice chemicals people talk
about here on this list.
You should try outside the city in a rural area where there is a
horticultural industry (fruit trees or vegetable growing business).
Perhaps a hydroponics supply outlet may also be able to get some. I pay
$7.50 Australian a kilo as opposed to about $1 a kilo for bicarb soda. If
you really get stuck I could mail you some but postage costs would be
Hope this helps a little.
On 26/7/06 5:41 PM, "Stuart Halliday" <stuart at stuarthalliday_com> wrote:
> I believe Dave Wilson wrote this email section below:
>> Hello Liz,
>> I used to get holes in my leaves, especially the red Barclaya longifolia
>> until I started using potassium bicarbonate as a buffer instead of sodium
>> bicarbonate. It is a little more expensive, about 8 times as much but all
>> of the ingredients have the potential to be used by plants instead of only
>> part as in the baking soda.
> Any idea where we can buy this stuff?
> I've tried the Internet and its seems to only be available in small amounts
> as a muscle building supplement.
> I live in the UK.
> I tried my local health and food shops. All they seem to stock is the
> calcium bicarbonate.
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