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DIY Flourite


amtiskaw

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I've been thinking about trying to produce some home made flourite.

Get some iron-rich laterite clay

Mix in some micro ferts

Force through a mesh, scraping off the extruded clay every 5mm

Bake in an oven for a bit

Lush plants!

Am I missing something here? I've done a bit of googling, and found a couple of vague references to a few people doing it. I'd like to use flourite when I re-do my 450 l tank, but it's bloody expensive stuff.

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Hmm, you might be right. I read a post saying you can bake clay at oven temps to set it enough for aquarium use, but to get what Seachem call "stable fracted" you need 1100 C. That's when it becomes a calcined clay, i.e it expands and gets lots of pores formed.

Bonsai growers used calcined clay, and you can buy it fairly cheaply (really cheaply compared to Flourite, lol) but I don't know the composition of the clay they use - if it's iron rich. Still googling around. I wonder what it'd cost to rent some kiln time from a pottery outfit?

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Found this post, which confirms I'm barking up the right tree :D

>> Dr. Morin, could you please comment on this? You stated at one point I

>> believe that Flourite was a naturally mined material. Is it subjected to

>> high heat (fired) during processing (to increase internal pore space I would

>> assume) or is it just cleaned, crushed and bagged?

>Well, I can't say too much without getting in trouble ;-)

>All I can say is, the material has experienced high levels of heat.

>It is naturally mined. And the order actually would be crushed,

>cleaned, and bagged ;-)

>Hope that helps, but I can't really say much more without giving away

>a little bit of the "secret".

>- -Greg Morin

>Gregory Morin, Ph.D. ~~~~~~~Research Director~~~~~~~~~~~~~~

>Seachem Laboratories, Inc. http://www.seachem.com 888-SEACHEM

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  • 5 months later...

Just an update. I've managed to get a shipment of Turface, which is a commercial calcined clay. $150 for 120 litres shipped! The same amount of Seachem Flourite would cost $1217 at NZ retail prices :happy2:

It doesn't have baked-in ferts but it has a very high CEC rating, so it absorbs ferts from the water column and makes them available to root feeders.

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What is the grain size of the turface? I googled it and there are a few different colours - what colour is your one? :)

It hasn't arrived yet, but it should look the same as this:

http://s766.photobucket.com/albums/xx301/lmjusa/?action=view&current=Picture374.jpg

Turface MVP is the one you want. You can buy a ton for about $550 US, (plus shipping, haha)

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