Here is a little spreadsheet I made to calc feed costs... It's based on the factory Botanicare feed program with weekly changes.How much do you guy spend on fertilizers each month when running a full SB system?
1. Enter your feed schedule in the top section - in ml per gallon... the default values are half the factory recommended feed values.
2. Enter the amount of nutrients you have in your res - rather than the actual size of your reservoir. Don't change any of the values in the Weekly Nutrient Costs section other than reservoir size.
3. Enter the costs of your nutrients per gallon in the Concentrate Nutrient Cost section.
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