Can I use phosphate as a variable to change rates of photosynthesis?
Yes-absolutely! But, it is not always the easiest to control. Phosphate is one of the macronutrients. N:P:K in photosynthetic world are the macronutrients Nitrogen (N), Phosphorus (P), and Potassium (K). For most algae cultures, a ratio of 5:1:1 to 10:1:1...