This is my first grow and I have decided to go with the fox far Grow/Bloom Big and Tiger Bloom I will also add molases in the final few weeks of flower. Is it worth paying the 75-80 bucks for the soluble pack too? This is a very small scale grow and I want to limit unnecessary costs. I will be using DWC method. If any one could help me with this it would be great.

They aren't necessary, unless your completely OCD and very picky you won't need them, although they do help to fine-tune the nutrient solution which is helpful. You can save your cash, if you want to invest in them later to help improve quality it's a good investment, but with a good hydro system, the primary nutes and molasses your bud should be amazing. Hope this helps.

Oh and a bit of H202 will help prevent bacterial buildup with the molasses, if you have a lot of issues using the molasses you can get some Botanicare Sweet, it's more expensive but causes fewer issues in hydro due to it's highly soluble nature.

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Thanks for the input. I will watch for bacteria buildup. About how many grows could I get out of the soulble 1lb pack just curious?

A good few, depends on your res size, it's pretty concentrated though so it lasts a good long while.

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Thanks. I think I will hold off on the solubles until I complete a grow or two. Again thanks for the help.