Plant nutrients consist of 12 salts Micro Nutrients are Nitrogen Phosphorus Potassium Calcium Magnesium and Sulfur. Then you have your Macro Nutrients that are traces of Iron, Manganese, Copper, Zinc, Boron, and Molybdenum.
All these are found in your base nutrients A & B 2-part feeds 1-Component feeds, then you can buy additives like Cal-Mag a combination of Calcium (Ca) and magnesium (Ma) to help with deficiencies. PK boosters that are mainly a combination of Phosphorus (P) & Potassium (K) and can come in liquid gel and powder form.
Some brands will contain other salts like nickel but these are the core ingredients for the plants food they will all contain these 12 main salts, whether you spend money on big name brands or better priced products.
Additives are available to boost certain salt levels helping the plant produce more or to help with a deficiency.
We stock big name brands like Canna, BioGreen, House & Garden, Vitalink, and Dutch Pro.