1st Grow - 4 x Fast Buds Autos (Organic)

So week 7 was interesting, seeing more signs of cal/mag deficiencies but also seeing a lot of amber trichomes on the main colas on all but Gorilla Glue Banana Purple Punch - Doing well, day 54 and lots of amber trichomes on main cola Gorilla Cookie - Looking very colorful, a bit like a Tequila Sunrise, Purple Lemonade - Small, tight and compact and very sticky Gorilla Glue - Looking great, lots of small buds that will hopefully fatten up a bit. Thinking of harvesting the main colas apart from Glue as they seem to be ripe and showing lots of amber trichomes and the lower buds could use more light intensity. Any advice on this would be appreciated, I was thinking of treating the cut site with fresh aloe and then put a baggie over the cut stem with an elastic band around it, just to seal it up a bit. Is this the way to go. Just an observation, I was expecting them to drink a lot more than they are doing, they all just don't seem to want water. 1 litre every second day with nutes and 1ml calmag and Banana Punch for example will still spit 200-250ml of that out. Lemonade can go 3-4 days on a litre. I water very slowly to avoid too much run off as I think that the 20% thing is more for non-organic grows. Yesterday was the 1st time I saw symptoms of under watering, Cookie started to droop but quickly picked up after being watered. Week 8 will be interesting for sure, looking forward to it :)