Power up healthy growth 🌿⚡. AF K Boost delivers easily absorbable potassium to prevent leaf yellowing, support photosynthesis, and keep plants thriving in low‑tech and high‑tech setups alike. 💧🐟 Benefits You’ll Notice 🌱 Corrects potassium deficiencies to restore rich, green growth 🛡 Helps prevent chlorosis (yellowing) and tissue necrosis 🔬 Fast‑acting, readily utilized by aquatic plants 🤝 Plays well with AF Micro, AF Macro, and CO₂ systems Key Features Professional‑grade freshwater plant fertilizer (potassium) Targets the recommended 10–20 mg/L potassium range Ideal from nano tanks to large aquascapes Made by Aquaforest Freshwater How to Use General: Dose 1 mL per 10 L (2.6 US gal) to raise K by ~3.8–5.0 mg/L. Continue supplementation until desired results are achieved. Use alongside AF Micro, AF N Boost, and AF PO4 Boost. Absorbents like zeolite/carbon may reduce effectiveness. For aquatic use only. Protect from sunlight. Store at room temperature in a tightly closed container. Keep out of reach of children. More Information Item Name Aquaforest AF K Boost Brand Aquaforest Type Freshwater Plant Supplement (Potassium) Recommended Potassium Level 10–20 mg/L Dosing 1 mL/10 L raises K by ~3.8–5.0 mg/L Country of Origin Poland Variant SKUs & EAN/UPC 125 mL — Mfr SKU: AF‑10202037 | EAN: 5902026733021 250 mL — Mfr SKU: AFO‑10202022 | EAN: 5902026730976 500 mL — Mfr SKU: AFO‑10202038 | EAN: 5902026733038 2000 mL — Mfr SKU: AF‑KBOO2000 | EAN: 5902026731621 Shop Other Aquaforest Freshwater Essentials 🛒 AF Micro • AF Macro • AF N Boost • AF PO4 Boost