On the front of bottles what do the 3 digits mean? Example 1-1-1 or 5-0-5
Vitov7 Active Member Dec 22, 2019 #1 On the front of bottles what do the 3 digits mean? Example 1-1-1 or 5-0-5
ismann Well-Known Member Dec 22, 2019 #2 N-P-K (Nitrogen, Phosphorus and Potassium). Numbers are the percentage of each by weight. Higher the number, the more that's in it. So, 1-1-1 is one percent of each by weight in the solution.
N-P-K (Nitrogen, Phosphorus and Potassium). Numbers are the percentage of each by weight. Higher the number, the more that's in it. So, 1-1-1 is one percent of each by weight in the solution.
