$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
$10.99 Indoor Plant Food (Slow-Release Pellets) All-purpose House Plant Fertilizer | Common Houseplant Fertilizers for Potted Planting Soil | by Aquatic Arts
$16.20 Miracle-Gro Tropical Houseplant Food - Liquid Fertilizer for Tropical Houseplants, 8 fl. oz.
$14.99 Organic Canopy Mist Fertilizer Supplement for All Houseplants from Home Jungle