I agree with Hoppy. People mention how easy ADA is to dose, "just a pump of this and a pump of that", which is easy, but so are dry ferts. It's just 1/2 t of this and 1/4 t of that. Both give good results from what I've seen. It just comes down to getting to know your tank and what its needs are. Something I still have to work on

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I just had a look at them. Looks like a trace supplement with the addition of potassium.