The Dinafem's Marijuana strains are presented in the feminized version with highest quality. These seeds were created through several organic methods such as self-pollinating or sibling crossbreeding. This is by far one of the most commercial banks in Spain being also known for having tin containers in which the seeds travel very well protected.
The marijuana seed bank Dinafem gives specific instrutctions for their seeds, they recommend a temperature of 23 degrees and humidity level of 70% for an ideal growth, which must be lowered to 50% upon the flowering period, mainly to prevent fungal attacks. Dinafem also provides nutrional guidelines in its catalogue and recommend a pH level of 6 as well as an electroconductivity level of 1. They also recommend to have an indoor blue light and high nitrogen concentrations for the vegetative growth period and an orange light and lower nitrogen levels for the flowering phase. These conditions recommended by Dinafem are the standard guidelines for almost all commercial seed strains.