August 2015 Natural Farming Hawai’i Meeting in Hilo. Natural Farming Solutions was the topic discussed and the Maintenance solution recipe was given as 1 part OHN, 2 parts FPJ and 2 parts Vinegar (Banana preferred) combined, then diluted 20mL per gallon of water and sprayed every 7-11 days on plants optimally around sunset or used as a drench to clean up pollutants by revitalizing beneficial soil micro biology.