Most use TMG or flourish as they list out their contents and covered a wide range of traces needed....you can try Dr Mallick's Lushgro Aqua...very cheap..plus free nitrate also....but might be a little problematic when your nitrate is very high now..(Can be solved though..just do more large water changes..[] )...oh..can also try Dr Mallick's traces...very concentrated..but lacks Mg and Ca.
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