Peter&rsquo;s 20-20-20. 2 Pounds. General Purpose Water Soluble Fertilizer with Micro Nutrients. From Jim's Orchid Supplies. The original Peters. Sold by Jims Orchid Supplies. Dont be fooled by imitations. Picture shows 1 pound bag. this offer is for 2 - 1 pound bags. Great general purpose fertilizer for Orchids potted plants, landscape, trees, shrubs, vegetables ect. The original Peters. One of the most versatile products in the Peters line May be employed as a foliar spray and or drench plant/soil. Use for indoor and outdoor plants. FREE Orchid potting medium information and water holding capacity weight chart. 1 per order. For general purpose use mix 1 teaspoon per gallon of water. With soilless mixes, avoid using during extended cool, cloudy weather in late fall to early spring in northern climates