I use ebb and flow with rockwool medium--4in rockwool cubes on Grodan Unislabs. It is a bit overkill, but the plants do very well and have produced excellent results.
Here is my closest to harvest grow at 39 days of Flower (4x Bahama Berry and 1x Dos Si Dos 33). Flipped on July 9th which was 50 days from clone cutting (approx. 30 days of veg--depending on how you measure it). Some of the tips are singed a tiny bit because it drank faster than I expected causing a brief spike in my EC late in week 4.
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Side comment:
Since briefly being on RIU, I have already received some unsolicited criticism when simply providing some details of my grow. I politely listened and chose to defer further comment/debate at the time, as I am new here and don't care to make waves. That said, I am also confident my established process is more than adequate and doing
substantially better than the critic's grows they posted, and while many new members are new to the game, I implore others to not think all new users are necessarily inexperienced growers. I love learning new information and being given new food for thought (this happened today, as a matter of fact), but those proffering unsolicited critiques also need to be open-minded and perhaps see what others are actually doing before saying something is "X" in a definitive manner (without referencing citations or anything other than anecdotal evidence), especially when their grows could use some help themselves.