nutrients and soil

When you hit your feeding day... do you use the same volume in nutrient solution as you do with water on watering days?

I don't get your question. Are you asking if you use the same water volume during feeding as with watering? If so, the answer would be yes.

Yes, I have a gallon of water with 1/4 strength nutrients and a gallon of just plain distilled water for watering. I water with roughly a liter of water every 3 days. When I feed, should I do a liter of my nutrient water also?

use 0ne qt of 7.0ph purified water every two days and on feeding day use one qt of nutes mixed at a ratio of 5ml per gallon. always works for me.