ARKA mySCAPE CO2 Refiller, 2 x 600 g, Refill Set for System, Component A: Citric Acid & B: Soda, Freshwater Aquascaping Aquarium

Large refill kit for CO2 aquarium systems – 2×600 g high-purity powders (citric acid & baking soda) – produces steady CO2 flow – perfect for plant growth & healthy aquascapes. Long-lasting supply for multiple CO2 batches – clean, precise dosing – no need for gas bottles or pressure regulators – excellent value for hobbyists & professionals. Works with ARKA mySCAPE systems & most refillable CO2 kits – DIY-friendly alternative to costly canisters – supports vibrant growth in high-tech & low-tech tanks alike. Dual-chamber packaging – resealable, space-saving & dry-stored – suitable for home use beyond aquariums (e.g. cleaning, descaling) – proven quality by aquascaping experts. Developed by ARKA for serious plant enthusiasts – safe, simple & sustainable CO2 fertilisation – supports strong roots, lush plants & stable aquarium ecosystems.