Bulk Nutrients Uncovered

By Rex Grigg

http://www.rexgrigg.com/ferts.htm

Why would you want to use bulk nutrients. Well here are some numbers.

  • If you are dosing 60gallons of water with Flourish Potassium you would need 100 ml to get to 20 ppm.
  • If you are dosing 60 gallons of water with Flourish Phosphorus you would need to dose 48 ml to get to 1 ppm.
  • If you are dosing 60 gallons of water with Flourish Nitrogen you would need to dose 30 ml to get to 10 ppm.
  • Flourish Potassium is $6 mail order for 500 ml. So if you dose once a week that bottle will last you 5 weeks. Cost would $1.25 a week to dose potassium.
  • Flourish Phosphorus is $7.50 mail order for 500 ml. So if you dose once a week that bottle would last you 10 weeks. Cost would be 75¢ a week to dose Phosphorus.
  • Seachem Nitrogen is $7.50 mail order for 500 ml. So if you dose once a week that bottle will last you 16 weeks. Cost would be 47¢ a week to dose nitrates.
  • Total cost for one dose a week with Seachem $~2.75. Note there is no shipping factored in here and there are some rounding errors.