for future conversions iherb now sell Aluminium Ammonium Sulfate (just search alum on website) which I believe is the most sought after and hardest to get. I have tried pool floc or regular ph reducer Aluminium Sulfate and Aluminium Ammonium Sulfate the later had much better results.
cybergen
1 post · 6 more in threads this archive does not carry · writing between Oct 2018 and Oct 2018
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