Jack's 15-5-15 is a staple in many grower's fertilizer tool box. This is a truly comprehensive fertilizer with all the macro and micro nutrients in one tank. It can be mixed with other fertilizers in the Jack's LX line, which gives this formula alot of flexibility.
It contains 4% calcium and 2% magnesium (making it an ideal choice for water low in those nutrients), 80% nitrate nitrogen, and micronutrients. Ideal for times when growing conditions are less than ideal or a grower is trying to hold plants at a particular stage of growth.
Potentially basic, this formula will cause the pH in the root zone to rise over time, making this formula ideal for water types that are very pure or low in water alkalinity levels.
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Liquid (ml/l)
N-P-K / Micro-elements Nutrient
Non-Organic
Day-to-day Solution
How to Use 15-5-15 Calcium + Magnesium LX
If you damaged the label or have not purchased the product yet, you can refer to the information found below to help you understand how to use 15-5-15 Calcium + Magnesium LX. If you are mixing your own nutrients, you can reference the NPK chart found below to help you identify the role of this nutrient product.
15-5-15 Calcium + Magnesium LX NPK Chart
When combining nutrients, you will want to be conscious of their NPK contents as well as others. You can look at the contents of 15-5-15 Calcium + Magnesium LX using the chart below.
J.R. Peters, Inc. Product Line
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