potting mix

Hi guys, what kind of soil should I use for small seed starting containers? Here are some I found in local stores (I'm in Hamilton Canada by the way, so only stores like Home Depot, Lowes, etc) My seeds are Indica based Should any of them be ok? Would the organic ones work best? does it not...

Okay so I have a few questions that I would love some help with ASAP as I am going away on a holiday in 5 days and need to set up before I leave..... I've got a box setup with lights/fans/filter, all that good stuff. I had a failed attempt at a DWC system with just 1 plant that I got given (was...

I am using a potting mix from a local garden center which is called "special substrate" w/ a bigass picture of a Cannabis plant on the bag. The mixture is very airy & spongy and otherwise feels and looks great, pretty much such as Cannaterra Pro or similar more expensive special mixes. It's a...