density

Hello All - I am looking for a reliable strain to grow outdoor in Oregon - that will produce high yields, and dense buds - I grow entirely organic - I have grown Blue dream- (Large plant but did not dense up-), Diesel (not high performance) - Is it true that Sativa will dense less than an...

I visit a number of grow supply stores in the area for a few reasons and came across the product. has anyone used it? The owner and a few people there said they get a 70% increase in production.