Commonly used aquarium chemicals
Dechlorination: * Sodium thiosulphate (most common and effective) * Vitamin C (aka. ascorbic acid) * (Or just leave you bucket of tap water for a week) * (Or boiling with subsequent aeration) Water softener: EDTA (a potent divalent cation chelator. Bind and precipitate calcium ion... and Mg2+, Ni2+ Fe2+, etc...) Waterweed pre-treatment: * lime water,
