Guppy 1 2 gallon cube Plants: 3 spider plants (growing hydroponically), dwarf saggittaria, flame java willow moss pieces, and giant duckweed. Animals: 3 juvenile guppie, blackworms, and one ramshorn snail. Aquarium gravel, river rocks Schefflera Trinette What Type of Potting Soil Do Succulents Need? Lambert Cactus & Succulents Soil Mix 4.4L Kool Breeze Farms Walla Walla Sweet Spanish Onion Seeds Sow True Seed Open Pollinated