pH dei singoli componenti:
Akadama = pH 6,5–6,9
Bardula = pH 6,8
Torba = pH 3,0–5,0
Lapillo vulcanico = pH 7,0
Sabbia di fiume = pH 7,5
Kanuma = pH 4,0–5,0
Pomice = pH 7,5–8,0
Terriccio Universale (dip da % di torba) = pH 6–8
Argilla espansa = pH 6,0–7,0
Kiryuzuna (dip dal mix) = pH 7,5–8,0
Ketotsuki = pH 6,5–7,0
Perlite = pH 6,5–7,5
Zeolite = pH 7,0
Vermiculite = pH 9,0