What is pond aquaponics? Pond aquaponics uses a backyard fish pond as the nutrient source for plants. Water is pumped from the pond through a solids filter and a planted bed or floating raft, where bacteria turn fish waste into nitrate that plants absorb, then returns cleaner. It’s an easy way to clear green water and grow herbs or ornamentals.
You can use fish emulsion in hydroponics, but it’s tricky. Fish emulsion is an organic fertilizer made from fish byproducts, and much of its nitrogen is in organic forms that microbes must break down before plants can absorb it. In a standard sterile hydroponic system, that leads to cloudy, smelly solution, biofilm, clogged pumps, and inconsistent feeding. It works best in organic or “bioponic” systems with established beneficial microbes, in media beds, or as a small supplement, not as the only nutrient in a deep water culture bucket.
Can anthurium grow in water? Yes. Anthurium in water roots from a stem section with at least one node and some aerial roots, and established plants can live in water if the crown stays dry and you add dilute fertilizer. Keep it at 65–80°F (18–27°C) in bright, indirect light, change the water weekly and never submerge the leaves or crown.
Can you propagate peperomia in water? Yes. Peperomia in water roots from a stem tip cutting with two or three leaves and a bare node underwater. Leaf cuttings can root too, but they grow faster in moist mix. Keep the jar warm in bright, indirect light, change the water weekly and pot when roots reach about 1 inch (2.5 cm), because peperomia hates staying wet.
Do plants need infrared light? Not much. Infrared light for plants matters mainly at the far-red edge, about 700–750 nm, which boosts leaf expansion and photosynthesis when combined with regular light. Longer infrared from heat lamps only warms plants and air. For indoor growing, a full-spectrum LED with a little far-red beats any infrared heat lamp.
Can you propagate a prayer plant in water? Yes. A prayer plant in water roots from a tip cutting with at least one node below the leaves. Cut just under a node, remove leaves that would sit underwater, and keep the jar warm in bright, indirect light. Change the water weekly and pot the cutting when roots reach about 1–2 inches (2.5–5 cm). Division also works.
What are the best microgreen trays for home growing? The best microgreen trays are shallow 10 × 20 inch (25 × 51 cm) “1020” flats about 1–1.5 inches (2.5–4 cm) deep, used as a pair: one with drainage holes for the growing mix and one without holes underneath as a water reservoir. Add a lid or a third tray for germination and blackout, and choose thick, reusable, food-grade plastic.
Can you root a fiddle leaf fig in water? Yes. A fiddle leaf fig in water roots from a stem cutting with one or two leaves and at least one node underwater. Wear gloves, keep the cutting warm at 75–80°F (24–27°C) in bright, indirect light, and change the water twice a week. Roots take several weeks; pot the cutting when they reach 1–2 inches (2.5–5 cm).
Can alocasia grow in water? Partly. Alocasia leaves and stems won’t root as cuttings, but alocasia in water works for sprouting the small corms (bulbs) that form around the roots, and for rooting divided offsets. Set a corm so only its base touches water, keep it warm at 68–77°F (20–25°C) in bright, indirect light, and move sprouted corms to airy, well-drained mix.
Can you root a croton in water? Yes. A croton in water roots from a 3–6 inch (8–15 cm) stem tip with two or more nodes. Wear gloves, rinse off the sap, remove lower leaves and set a node underwater in bright light at 75–80°F (24–27°C). Croton is woody and slow, so expect several weeks before roots appear, then pot it in well-drained mix.