Great product but you are using 50ml from a 60ml bottle for a new 5 gallon tank. 1 full cap (5mL) treats half a gallon of water. So 10ml (2 full caps) to treat 1 gallon. So 10 full caps to handle a 5 gallon tank. That's 50ml, and the bottle is only 60ml, so there's not even enough water for the next water change. Do they expect you to buy a case of those little bottles? The ratios just don't make sense. Guys, make a bigger bottle.
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