The organic base of OPF consists of completely organic plant based remainders with high levels of natural sugars. Due to fermentation processes the organic materials are upgraded to an excellent fertilizer. Naturally sourced raw materials have low amounts of salt and therefore no risks on root and leaf burn damage. The high level of trace elements and sugars supports a healthy soil life and provides healthy plant growth. The amino acids in OPF can also be absorbed at low temperatures because they originate from plants. The balance between slow and quick released nitrogen elements ensures effect up to 3 weeks. OPF is supplied without the use of preservatives.