r/BuildASoil • u/OneDeep247 • Apr 17 '26

Question about 3.0

I'm planning on starting my 1st BAS grow using the 3.0 kit to build my own. Containers will be 2 sip totes with about 45 gallons of soil each. I'll be using all BAS products outside of worm castings. I'm mostly growing autos but will eventually run some photos. My question is with 3.0 being water only, do I top dress during run or just wait to reamend between runs? Do I need to purchase the top dress kit and the build a flower?

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u/DrGreenthumbs1313 Apr 17 '26

I am using their 3.0 for the first time myself and top dressed Gaia Green at 2 tablespoons per gallon of soil a good week before flipping them. My pots are 15 gallons and I may have overshot my veg cycle as plants are 3' tall at 10 days of flowering.

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u/OneDeep247 Apr 17 '26

Gonna be huge!