Have just bought a load of bio degradable corn starch packing peanuts ...as sick of paying a fiver fot a little bag ..my question is are these the same as the gardner ones ..i have read that there is pva peanuts and also starch ones which I have bought ..they look the same as the gardner ones ..and after researching online I have found thst they do dissolve on water ..but will they dissolve any quicker than the pva ones ..or are they one and the same thing ?? ..Thanks