$11.49 Indoor Plant Food, All-Purpose Organic Plant Food and Fertilizer, NutriDense (5oz) by Humane [NPK 6-4-3]
$23.99 ($3.00 / oz) Houseplant Resource Center Plant Leaf Armor – Leaf Shine and Indoor Plant Cleaner Spray – Fortifies and Protects Indoor Plants and Keeps Leaves Green & Gorgeous
$16.21 SunGro Black Gold Indoor Natural and Organic Orchid Potting Soil Fertilizer Mix for House Plants, 8 Quart Bag
$8.75 House Plant Fertilizer - Complete Slow Release Formula + Micro Nutrients by PowerGrow - Feeds Houseplants for 8 Months and Includes Over a Year Supply (6oz (1 House Plant Fertilizer Bag))