When I measure my TDS, my water comes with a base of 250ppm (yeah... scary.... I know).
If my target is 850ppm per nutrient documentation, should I be shooting for a total TDS reading of 850ppm, or should I be adding the 250ppm base to the 850 for a total of 1100?
If my target is 850ppm per nutrient documentation, should I be shooting for a total TDS reading of 850ppm, or should I be adding the 250ppm base to the 850 for a total of 1100?