I wish A4R was not so expensive. The powder comes in 800grams = 1.764 pounds and is $47.17 on Amazon, almost the same as a 50 pound bag of kalk. That comes to $26.74 a pound. I dose about 3.4 times as much kalk as you were a day and my use in increasing. So I would need at least 51.6-58 ml of...