Reply To: Hull care

November 24, 2022 at 12:01 pm #409487
Bernard Hobart

    Good advice but I make my own y10
    Obtain oxalic acid fine crystals from the net,add water and spray on
    Very cheap
    Y10 I believe is 10 % oxalic acid
    This removes waterline and any other oil based stains
    I have used this for 50 years!
    Regards
    Bernie