Man you guys can buy anything on Amazon in the US hahaI have used this: Mix is 1:5 so it will make 15 gallons.
View attachment 756567https://www.amazon.com/Barqs-Root-B...pd_rd_i=B00EDT6A2Q&psc=1&ref_=pd_bap_d_rp_1_i
It’s spendy though.
View attachment 756567
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