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  1. The Estimative Index of Dosing, or No Need for Test Kits
  2. Venturi Design
  3. Non CO2 methods
  4. Estimative Index
  5. EI light: for those less techy folks
  6. old version from 1996-1997 of list of levels and parameters
  7. Post on CO2 and why we can get algae at times even with EI
  8. Drop Checkers/CO2 Indicators-Why and How
  9. Water change 50%
  10. EI and "excess nutrients"
  11. Want more accuracy? Want daily PMDD style EI dosing?
  12. How to make NO3 and PO4 reference solutions(repost from Left C)
  13. EI dosing & the effects of "trickle waterchange" vs 50% weekly change
  14. EI Dosing with ADA AS Amazonia
  15. Super easy method to start a new tank without any algae, any issues,dosing etc
  16. Dosage of seachem flourish
  17. Where is EI explained?
  18. Changing over to EI dosing?
  19. EI question
  20. Why CaCl2 is very warm ?
  21. New Site for gregwatson.com
  22. Tom, need your advise on 708 Litre tank
  23. Cotton like thing in CSM+B solution
  24. Trying to Understand EI
  25. When I shall start dosing ?
  26. Ei Dry Fert Method
  27. Identify Algae + cause + solution?`
  28. TMG - Proper Dosage
  29. Mixed and stocked dry fertz
  30. liquid solutions
  31. Am I doing EI all wrong?
  32. Nitrates Constant
  33. Approximate PPM per dose?
  34. Is this too much Ca and Mg ?
  35. confused about target ranges and safe amounts...
  36. table measurments (dash, pinch, etc) to grams
  37. EI Theory question
  38. Proper Dose Seachem Equilibrium and TMG
  39. light and filter for NON CO2 tank
  40. Dosing suggestions?
  41. EI and Hidropony?!?
  42. Yamato Green For Trace with EI
  43. Can I use the dosing chart for a 20 gal.
  44. Adjusting EI with Excel dosing
  45. SeaChem recommend dosing chart vs EI
  46. Hi light HC tank (EI with Tropica N&P) started emerged
  47. I'm new to EI - can someone please look at this. (thanks)
  48. En Espanol
  49. Simple formula to calculate maximum error term for EI
  50. RO water and the pH/KH/temperature fluctuation when water changes.
  51. Seachem Equillibrium needed with hard water?
  52. Critique my dosing plan please
  53. Hybrid methods, fusing dry start+ excel with non CO2
  54. How to derive how much to dose?
  55. New 55 gal
  56. need Ei Help...
  57. Weekly Water Changes
  58. EI + ADA AS in new 38 Gallon Aquarium
  59. EI or any liquid fert dozing time
  60. Dosing with PMDD vs. the EI plan of macros, then micros....(from SFBAAPS)
  61. Amount of Ca and Mg for my tank
  62. EI & holiday! (what to do with EI)
  63. EI Newb question
  64. fungus in the mixed solutions (IE)
  65. tsp doesn't just work for me.. i prefer grams..
  66. Iron Residal
  67. K2so4 ?????
  68. Is this a good daily dosage of EI?
  69. uv and influance on chemicals
  70. How much "K" is used up during the day?
  71. Can high kH cause algae problems with EI dosing
  72. What is going wrong with EI in my tank
  73. Is my Hydrpoics store's TRACE mix safe?
  74. Excel dosing, a middle ground for aquatic horticulture methods
  75. Excel dosing, a middle ground for aquatic horticulture methods
  76. Confusion about EI and other myths
  77. K3po4
  78. Low/high light en EI
  79. non-CO2 (Walsted) and Fe dosing
  80. Use of Ca(NO3)2 for EI