general-hydroponics Ripen looks like more alternative !!! because hesi phosphorus plus is 0-7-5 and the Ripen is 0-6-5 what do you think ?
source : hesi phosphorus plus :
http://www.hesi.nl/usa/popups/fosfortekst.htm
general-hydroponics Ripen :
http://gb.eurohydro.com/ripen.html
some one says ripen is an acid and they down the ph and use it just in the last week before harvest !! in another way hesi phosporus plus all one says you can use in the last 4 weeks iam confused but they have the same rate about potasium and phosphorus i dont understand this