05-13-2012, 11:02 AM
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Originally Posted by hotshotdevil32
Yes actually I am doing a central american tank with endlers livebearers so I need to make the water hard. Sounds like I will have to get some argonite sand. What grain size do you reccomed? also can I add flourite underneath the sand so the plants still get that extra fertilization?
I would use sand here. A fine gravel would also work, but this may be difficult to find in an aragonite blend. Endlers Livebearer occurs in coastal lagoons and freshwater lakes in Venezuela [see the profile] so the substrate would be sand. CarribSea make one from crushed coral and aragonite, and there may be others. Some fish stores have this sand in bulk as it is often used in marine tanks where harder water is necessary. Just make sure it has no salt; the CarribSea does not, but a local marine sand product might.
I would not add Flourite. I have this substrate in my 70g, for more than a year now, and I am very disappointed with the results. It has not helped the plants. Don't waste your money.
If you want some plant suggestions, Corkscrew Vallisneria is perfect in this aquascape. Some stem plants like Green Cabomba, Brazilian Pennywort (this can be allowed to float, which will improve the fish colours). A few chunks of wood. A lovely aquascape. All the names that shaded can be clicked for the profiles with photos.