1.5m tent using spiderfarmer sf7500 on 85% 6inch ac infinity extraction.4 inch intake.temps at 29degrees humidity around 60 to 65% im growing in coco perlite mix.feeding every 2 days to run off.mixing in 20litre bucket with 60ml each of canna a+b with 10ml silica..30ml sumo boost.20ml calmag.cheers