The highest my Co2 evar gets is 2200 ppm and thats only if they look like they can handle it. My Co2 is turned off for the last 2 weeks. The numbers in my feeding schedual are listed in ml's. LOL. For additives just stick to what the directions on the container say.

Quote Originally Posted by jedeye
Do you actually raise CO2 levels to 3500 ppm during the last week of the feeding schedule before flushing? This question is based on your posted feeding schedule total ppm. Are the numbers listed in your feeding schedule in ppm? What conc. do you use for all other additives that you mentioned usng?