Safe aquarium start: Accelerates cycling phase for new tanks – enables earlier, safe fish introduction – stabilises biological balance from day one. Reliable water stability: Converts ammonia & nitrite naturally – prevents dangerous peaks after water changes or filter cleaning. Biological & chemical-free: 100 % biological water stabilisation – gentle for all fish, shrimp & plants – no additives or chemicals. Simple dosing: Add directly – 10 ml per 100 l – suitable for all aquarium types – no need for mixing or tools. ARKA quality: Developed by experts for biological water care – trusted by breeders and aquascapers worldwide.
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