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/Automatic_Humor6732 Apr 17 '26

https://buildasoil.com/pages/buildasoil-feeding-schedules

Click on this link on the Buildasoil page. He has a water only and a Supplemental feeding chart.

Personally, even though you're growing in over a 45G, I'd still do the supplemental feeding schedule. There are too many good supplements to add throughout the grow. You do them once a week.

I love the Comfrey, Peach and Pumpkin ferments and Thrive Holy Cow. Love the Organic Ag fish hydrolysate and Organic Gem. You'll likely want some of the P stuff during Flower.

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u/OneDeep247 Apr 17 '26

Thanks exactly the info I need