Do I need to add anything to Flourite? Does it inherently contain micro and macro nutrients? If so, how long before these nutrients are naturally exhausted?
Flourite inherently contains only micro nutrients and these are slowly released, many not released unless actively transported by the plant roots. Thus the substrate should be self-sustaining for many years and should never actually require replacement.
Should I be incorporating any other products?
Depending on how dense the growth or how dense you wish it to be, the use of Flourish,(foliar feeding), Flourish Tabs (root feeding) and Flourish Iron can be useful and helpful beyond the substrate itself, but are not necessities.
Will Flourite maintain its physical integrity as a gravel when it gets wet?
Will Flourite work with an under gravel filter?
Flourite will work fine with an UGF. Flourite is ideally sized and has a clay based composition (including minerals such as iron and manganese) that is ideal for plant growth. Flourite will not soften or decompose to an unsuitable state. In addition, Flourite has an attractive, natural appearance.
As noted on the label, I have rinsed Flourite to get rid of any dust. But after rinsing, I am still getting a dense cloud of sand in the residual water. Should I keep on washing it till the water turns clear, would that wash away any of its nutrients?
It is possible to experience an excess of particles/dust from this product due to frictional action in packaging and shipping. Flourite Red is an ore with a rich mineral composition and is not chemically coated. Even though some small particles washed away, the product is completely viable and will still offer the same benefit. A better way to add this to an established aquarium is to add small amounts at a time a half day to 24 hours apart making sure these small amounts are rinsed thoroughly. You can also use a water clarifier like our Clarity to clump any small free floating particles together making it easier for your mechanical filter to catch. Your cartridges/floss will tend to clog from all the particles being trapped and will need rinsing or replacing regularly.
Does Flourite breakdown as utilized by plants?
Flourite will not break down under long term aquarium use. Though it is a fracted clay based substrate, this clay is as hard as a rock - not soft. For all intents and purposes, it is a rock. This substrate is made up of a rich mineral composition, not just coated with a fertilizer so your plants will derive a long term benefit from this substrate.