Flourite, 7 kg / 15.4 lbs

Seachem's fluorite is an iron rich, clay, stand-alone substrate. You plant your plants in it immediately, and let 'em grow! It's excellent for both hydroponics and aquariums. You don't need to add any laterite or gravel or anything at all. It works best if it's not mixed with anything else such as soil, peat, or sand (You can of course place a thin layer of decorative gravel of your color choice on top if you wish). It never needs replacing. It's expensive, but you get what you pay for. My plants are lush and

There is one VERY IMPORTANT bit of advice I must impart to everyone reading this: There is one big drawback to this product, and that is you MUST WASH IT. Do NOT skip this step! This stuff has a ton of dirt and sediment caked on it that will clog up and ruin your filters and dirty your water beyond visibility if you don't. This is a real big pain in the rear because you have to use a LOT of water and many rinsings to flush it all out and get it so your water doesn't look like red tea. Be patient! It's very much worth it for the incredible aquascape you will get.

Okay, I just got this stuff and can't yet speak on it's plant growing merits, but I can tell you this stuff is D-I-R-T-Y.

Best cleaned the same way you do sand.

1: Set bag upright on the ground.

2: Cut off the 2 top corners, just big enough for a hose on one side and drainage on the other.

3: Put your hose in one side, I highly recommend doing this outside... in the grass.

4: Try to bunch some of the bag around your hose and a use a cable tie or something to hold that end shut.

5: Run your water. Make sure your hose reaches the bottom of the bag and that the bag will stay upright.

6: Go fix yourself a sandwich, check in 15min, run water until it comes out the top of the other side clear, this may take some time.

And done.

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Looks like a nice dark brown in the picture. Even a softer brown would have been ok, but in person looks really light and multi color. Doesn't look natural. Works great, but being that I wanted to recreate a really natural looking river bed, I'm not impressed. Does the job though.

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The gravel is beautiful, but you really have to wash it about 10 times to get the silt off it.

But, you ABSOLUTELY MUST NOT USE THIS SUBSTRATE WITH AXOLOTLS (MEXICAN WALKING FISH). The little stones are ~5mm wide far too big for axolotls. I had to buy sand to put on top of the Seachem Flourite so my axolotls don't eat the little stones.

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I have this in my aquarium, my first try at a fully planted aquarium, and my plants are doing wonderfully! I do add liquid fertilizer from time to time and have a good deal of lighting but I don't have any nutrient problems. my valsinaria, crypts, rotalla, Echinodorus, water sprite, java moss and hygrophilla (sp. may be a little off on these) are all growing beautifully in this tank. Especially the valsinaria. And i also have a lot of cherry shrimp breeding in the tank, although because of the color they blend in with the soil and they are little hard to see. Overall I am very happy with this soil and would recommend.

I did not rinse mine at first and the tank was VERY cloudy for 24hrs, and was cloudy a little thereafter for a few days, even my filter was coated and I had to replace it, i didn't add any fish for the first week, because I didn't think that kind of cloudiness would be good for their gills. However since then it hasn't been a problem, even when I move a plant around it does get a little stirred up but it isn't a problem, it seems to settle in nicely. The soil is a little rough so I am not sure if it is the best for all fish, but for my schooling fish it is fine.

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