KH Booster – ARKA Carbonate Hardness Powder 500 g – raises KH & stabilises pH in freshwater & marine tanks – protects biofilter & supports nitrification – ideal for soft water, shrimp & reef aquariums
pH/KH Reducer – ARKA pH Decrease 118 ml – lowers pH & carbonate hardness safely – freshwater water conditioner with electrolytes – protects slime coat – ideal for Discus, Tetras & soft water aquariums
2HR Aquarist APT Sky Plus Aquarium Salt GH KH booster + Shrimp Minerals (150G)
pH/KH Plus for Freshwater Aquariums – ARKA pH Increase 236 ml – raises pH & carbonate hardness gently – with electrolytes & slime coat support – stabilises soft water & prevents pH crashes
ARKA - Complete – KH & pH stabiliser and optimisation, stable water values, for every saltwater aquarium,
ARKA - Complete - 5 L - KH increase and pH stabilisation for saltwater aquariums, supports stable and healthy coral growth.
