01. plain distilled water: pH 6.6 02. GEX (light green packaging): pH 6.6 03. Kanuma soil: pH 6.4 - 6.5 04. 'Kotobuki' brand Dr Soil substrate: pH 6.5 - 6.6 05. used 'ADA' brand Amazonia + Aficana (50%:50%): pH 6.2 - 6.3 06. 'Horti' brand peat moss: pH 4.0 - 4.5 07. 'Horti' brand soil: pH 4.5 08. Lapis sand with coral chips: pH 8.0 09. Sphagnum moss from Japan (don't bother using low grade ones): pH 5.0 10. Akadama soil: pH 6.6 11. Lapis sand: pH 7.8 12. 'Muji' brand substrate: pH 7.4 13. Ketapang Leaf: pH <4.0 14. 'Aquamedi' brand Black Peat Granules: pH 4.0 - 4.5 15. Ocean Free brand Super Pro-Peat Granules: pH 4.0 - 4.5 16. Garden soil 'burnt soil': pH 8.0 17. ADA Amazonia II: pH 6.2 18. Volcanic rock: pH 7.2 19. First Layer Pure Laterite: pH 6.8 20. used ADA Amazonia: pH 6.8 21. SUDO Medaka Pink Sand: pH => 8.0 22. SUDO Crystal Orange Sand: pH 7.4 23. SUDO Real Brown Sand: pH 7.8 24. SUDO Bottom Sand: pH 7.2 25. used ADA Amazonia mixed with lapis sand: pH 7.0 26. live sphagnam moss: pH 5 to 5.5 27. used ADA africana: pH 6.2 - 6.4 28. coconut hust: pH 7.0
To summarise the results in accending order of pH value (by 0.5):
pH 4.0: 'Horti' brand peat moss, dried ketapang leaves (will cause discolouration of water readily),'Aquamedi' brand Black Peat Granules, Ocean Free brand Super Pro-Peat Granules pH 4.5: 'Horti' brand soil pH 5.0: Sphagnum moss from Japan (don't bother using low grade ones), live aphagnam moss pH 5.5: no suggestion so far pH 6.0: ADA Amazonia II pH 6.5: GEX (light green packaging), Kanuma soil, 'Kotobuki' brand Dr Soil substrate, Akadama soil, distilled water, used ADA africana pH 7.0: Volcanic rock, First Layer Pure Laterite, used ADA Amazonia, SUDO Bottom Sand, used ADA Amazonia mixed with lapis sand, coconut husk pH 7.5: 'Muji' brand substrate, SUDO Crystal Orange Sand pH 8.0: Lapis sand, Garden soil 'burnt soil', SUDO Medaka Pink Sand, SUDO Real Brown Sand
Note: Bottled distilled water of pH about 6.6 is used for all the above test. น้ำที่ใช้วัดค่า pH ได้ 6.6
01. plain distilled water: pH 6.6 02. GEX (light green packaging): pH 6.6 03. Kanuma soil: pH 6.4 - 6.5 04. 'Kotobuki' brand Dr Soil substrate: pH 6.5 - 6.6 05. used 'ADA' brand Amazonia + Aficana (50%:50%): pH 6.2 - 6.3 06. 'Horti' brand peat moss: pH 4.0 - 4.5 07. 'Horti' brand soil: pH 4.5 08. Lapis sand with coral chips: pH 8.0 09. Sphagnum moss from Japan (don't bother using low grade ones): pH 5.0 10. Akadama soil: pH 6.6 11. Lapis sand: pH 7.8 12. 'Muji' brand substrate: pH 7.4 13. Ketapang Leaf: pH <4.0 14. 'Aquamedi' brand Black Peat Granules: pH 4.0 - 4.5 15. Ocean Free brand Super Pro-Peat Granules: pH 4.0 - 4.5 16. Garden soil 'burnt soil': pH 8.0 17. ADA Amazonia II: pH 6.2 18. Volcanic rock: pH 7.2 19. First Layer Pure Laterite: pH 6.8 20. used ADA Amazonia: pH 6.8 21. SUDO Medaka Pink Sand: pH => 8.0 22. SUDO Crystal Orange Sand: pH 7.4 23. SUDO Real Brown Sand: pH 7.8 24. SUDO Bottom Sand: pH 7.2 25. used ADA Amazonia mixed with lapis sand: pH 7.0 26. live sphagnam moss: pH 5 to 5.5 27. used ADA africana: pH 6.2 - 6.4 28. coconut hust: pH 7.0
To summarise the results in accending order of pH value (by 0.5):
pH 4.0: 'Horti' brand peat moss, dried ketapang leaves (will cause discolouration of water readily),'Aquamedi' brand Black Peat Granules, Ocean Free brand Super Pro-Peat Granules pH 4.5: 'Horti' brand soil pH 5.0: Sphagnum moss from Japan (don't bother using low grade ones), live aphagnam moss pH 5.5: no suggestion so far pH 6.0: ADA Amazonia II pH 6.5: GEX (light green packaging), Kanuma soil, 'Kotobuki' brand Dr Soil substrate, Akadama soil, distilled water, used ADA africana pH 7.0: Volcanic rock, First Layer Pure Laterite, used ADA Amazonia, SUDO Bottom Sand, used ADA Amazonia mixed with lapis sand, coconut husk pH 7.5: 'Muji' brand substrate, SUDO Crystal Orange Sand pH 8.0: Lapis sand, Garden soil 'burnt soil', SUDO Medaka Pink Sand, SUDO Real Brown Sand
Note: Bottled distilled water of pH about 6.6 is used for all the above test. น้ำที่ใช้วัดค่า pH ได้ 6.6
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Sun 29/Jun/2025
