Have I understood PPS-PRO Correctly ?

2032 Views 5 Replies 3 Participants Last post by Peter16, Feb 27, 2009

Peter16

Discussion Starter · Feb 22, 2009 (Edited)

Well I have read all the stickies and researched a fair bit, and this is what I have concluded for my regime.

Macros -
K2SO4 - Potassium sulphate
KNO3 - Potassium Nitrate
KH2PO4 - Potassium Phosphate.
MGSO4 - Magnesium Sulphate.
Having a hard time finding this in Aus.

Mixed together according to the chart designed by Edward. and doesed 1ml / 10g
According to my Calculations a 500ml solution at 2ml per day (20gal tank) should last 250 days.
Does that sound right? will it even keep for that long?

as for Micros, i am planning on using a liquid mixture (containing Mn, Fe, Zn, Cu, B and Mo) here in Australia, or i may buy some of the csm + b you Americans are so keen on. And dose according to label.

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On a quick seperate note, this is a liquid fertiliser in Australia's ingredients, the way i read it they have added micros and macros in one solution, I was under the impression this was a big no no ??

50gm SOLUBLE CHELATED TRACE ELEMENT
(Fe, Zn, Mn, B, Cu, Mo)
250 gm POTASSIUM SULPHATE (K2SO4)
250 gm MAGNESIUM SULPHATE (MGSO4.7H2O
125 gm POTASSIUM NITRATE (KNO3)
25 ml HYDROCHLORIC ACID (HCl) (optional as preservative)
swimming pool strength (350g per litre)
3 litres WATER (demineralised H2O)

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I will also be dosing excel until the 500ml bottle runs out.

Will all this plus injected co2 produce some nice healthy plants?

Do any other ferts need to be added?

All comments Greatly appreciated.

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supersmirky

· #2 · Feb 23, 2009

Looks like you got it right. But I would definitely mix a smaller bottle than 500ml. I use hydrogen peroxide bottles and keep them in the fridge although it's not necessary.

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Peter16

Discussion Starter · #3 · Feb 23, 2009

Thanks Smirky,

Over here we have a product similar to the csm + b
it contains -

Iron DTPA 6%
Manganese EDTA 2.4%
Boron 1.1%
Zinc EDTA 1.3%
Copper EDTA 0.25
Molybdenum 0.25%
Cobalt EDTA 0.03%

In a liquid form, Will this be suitable for my micronutrients?

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Peter16

Discussion Starter · #4 · Feb 23, 2009

In Aus KNO3 is classed as a #5 dangourous good, so it cannot be shipped and I am having trouble finding it locally.

Is it absolutely essential to the regime, Will its absence screw up the balance ?
According to the recipe its the main ingredient.

or is there some other chemical which will do just as good of a job ?

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freydo

· #5 · Feb 26, 2009

have you tried inquiring at local hydroponics shops in your area?

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Peter16

Discussion Starter · #6 · Feb 27, 2009

I found some suppliers, everything is arriving next week

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