Each bottle of sodium hydroxide should contain approximately 250 g. After the tank is cleaned, add water FIRST to the tank and then pour the sodium hydroxide ON TOP of the water. '''''DANGER: Reversing this process causes a DANGEROUS chemical reaction.''''' | Each bottle of sodium hydroxide should contain approximately 250 g. After the tank is cleaned, add water FIRST to the tank and then pour the sodium hydroxide ON TOP of the water. '''''DANGER: Reversing this process causes a DANGEROUS chemical reaction.''''' |