Flourite is good but its just starters. The best way is to make your own. The most basic thing you can do is get planters clay and line the bottom 1.5" of tank and then flourite on top and bury seachem florite food tabs in the clay. If you want to go the more custome rate you can also make your own top soil instead of the flourite.
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4lti7ude's 20Gallon Nano Tank
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