pH-KH Plus Aquarium 473 ml - pH Increase Raises Carbonate Hardness water conditioner, plus, KH control, prevents acid crash, mucous protection, fish tank, freshwater

Safely increases pH & carbonate hardness – ideal for soft water, KH instability or CO₂ fluctuations – prevents pH swings & promotes a stable, healthy environment for freshwater fish With protective electrolytes – reduces osmotic stress after water changes or CO₂ loss – supports gill & skin health – ideal for delicate fish species in planted aquariums Gentle formulation for sensitive fish – ideal for discus, dwarf cichlids & other soft-water species – protects mucous membranes & internal organs during pH adjustment Ideal for pH stabilisation, hardness boosting & new tank setups – can be used with ARKA pH Decrease & Buffer 6.5/8.5 – easy, precise dosing for consistent results Premium ARKA water care – developed in Germany for advanced freshwater aquarists – proven in breeding, aquascaping & soft water tanks – safe, reliable & residue-free