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Correct mix for bluestone and washing soda?

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  • 10-06-2010 9:54pm
    #1
    Jimmy Garlic
    Registered Users Posts: 4,349 ✭✭✭


    I was using ditane in previous years for blight protection. This year I am going to use bluestone and washing soda. What is the correct mix and how should I mix it?. How much of each will I need to make a batch for a 15L knapsack?.


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    #2
    MayoForSam
    Registered Users Posts: 2,275 ✭✭✭MayoForSam


    Google is your friend Jimmy: http://www.dgsgardening.btinternet.co.uk/recipes.htm

    For 15 litres, you need to mix in 150g of bluestone and 180g of baking soda. Use immediately.

    Homemade blight mixes are apparently banned by the Dept. of Agriculture but then again Dithane is not a very nice chemical either.


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    #3
    Willie John
    Registered Users Posts: 5 ✭Willie John


    Spraying potatoes with bluestone & washing soda,
    Should it be steep it directly into the water OR should i put it in muslim like bag and steep
    - because my back sprayer is getting cloged all the time


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    #4
    Willie John
    Registered Users Posts: 5 ✭Willie John


    Spraying potatoes with bluestone & washing soda
    My back sprayer is getting clogged each time i spray,
    I steep the washing soda and bluestone in a barrel
    Any suggestings


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    #5
    Paddieland
    Registered Users Posts: 2 ✭Paddieland


    To stop it clogging the sprayer mix it up and stir it occasionally for a couple of days before putting it in the sprayer.



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