01-11-2013, 01:49 PM
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Agree. And to add a comment about the cost, while Flourish Comprehensive Supplement may cost more for a bottle compared to some other "fertilizers," this product is highly concentrated so you use very little. Don't know your tank size, but as an example if it is 30 gallons you only need 1/2 a teaspoon (5 ml) once a week, or perhaps twice a week, depending upon the plants' response. So this lasts a long time. Many of the other products, aside from the fact that they are not complete and thus have limitations to begin with, require you to dose considerably more than this, and with less result. They just aren't worth it.
This is not to say Flourish Comp is the only one, it isn't. Another equally good and almost identical in terms of amount dosed is Brightwell Aquatics' FlorinMulti. I don't know how the prices compare, but both are good. And there are obviously others I have not seen or tried; but I don't recommend something I know nothing about. In most areas, one or both of the two mentioned products will be available. And ordering online is often much less expensive too, though this tends to be significant only when ordering the large sized containers as shipping costs have to be factored in.