Re: [APD] Using Sulphate of Potash in my tank

["TBarber" <terbarb at alltel_net>]

Sulfate of Potash is K2SO4   not K2O (potassium oxide)...............try the
wikipedia
----- Original Message ----- 
From: "Stuart Halliday" <stuart at mytriops_com>
To: <aquatic-plants at actwin_com>
Sent: Tuesday, September 16, 2008 8:55 AM
Subject: [APD] Using Sulphate of Potash in my tank


> I've came across a container of powdered 'Sulphate of Potash' which is
said
> to be K2O, Potassium Oxide. Nutrients: NPK  0 - 0 - 48
>
> http://www.william-sinclair.co.uk/gardening/products/plant_food
>
> Is it possible to add this to my planted Aquarium?
>
> Will this kill my tetra fish or shrimps do you think?
>
> MSDS safety sheet says it contains: Sulphate of Potash
> Origin & Composition:
> Total Potassium Oxide (K2O) 48% of which 39.8%K is soluble in water
>
> So I presume it's really K2SO4 or Potassium Sulphate?
>
> I've got a 15L tank where the plant leaves of my Lilaeopsis brasiliensis
are
> starting to curl and yellow and I think it may be due to lack of
Potassium?
>
> Going by Chucks web page:
> http://www.csd.net/~cgadd/aqua/art_plant_nutrient.htm
>
> Lilaeopsis brasiliensis Plant:
> http://www.tropica.com/productcard.asp?id=040
>
> Tank:
> NO3:50ppm
> NO2:0
> NH3:0
> pH:6.8
> KH:8d
> GH:12d
>
> I use CO2 and add trace nutrients weekly and a touch of nitrate plus the
> plants get a fertiliser tab every 3 months...
> The substrate is just gravel and waste otherwise.
>
>
> (Correct me if I'm wrong, I'm just a root beginner!)
> (pun intended)
>
>
> -- 
> Stuart Halliday
> http://mytriops.com/
> 200 Million years in the making...
> _______________________________________________
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
> http://www.actwin.com/mailman/listinfo/aquatic-plants


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