Noticed that my Java Ferns and some Anubias are turnin' colors so I went and purchased thiz product by Kent-WaterGarden Aquatic Plant: Micronutrient Supplement with Iron.Provides iron.manganese/other necessary minerals for lush aquatic growth.Contains no nitrates or phosphates to spur unwanted algae growth.

Analysis

1. Nitrogen.........0%

2. Phosphate (P205).........0%

3. Soluble Potash (K20)..........3%

4. Copper (Cu) (Min).............. .00001%

5. Iron (Fe) (Min)................... .24%

                       .24% Chelated Iron

6. Manganese (Mn) (Min)....... .01%

7. Molybdenum (Mo) (Min)........... .0009%

8. Zinc (Zn) (Min).......................... .00014%

Thiz I pulled from the shelve where the Pond products are sold,my question to you guyz iz thiz product good fa my tank? I've matched other products source of nutrients and they seem the same.

Why can't I use nitrogen?