Foz Down
Hi Everyone,
Thought I would chime in on this thread.
There is three types of Lanthanum available on the market.
The buffered variety that they use to control phosphate in people.
The pool variety which I wouldn't recommend using as who knows whether there is an algaecide(like copper) in it or they could begin adding it to enhance the product. Not worth the risk imho.
The aquarium variety. I personally have used the aquarium variety for 3 years to keep my phosphates between .02mg/l and .06mg/l in my SPS system with no effect on Alkalinity. The raw product comes highly concentrated and is very expensive. Some people have bad math skills and have overdosed the concentrated product and stressed and/or killed corals/fish. I have created Foz Down to have a safe concentration to minimize this risk. When directions are followed there is no ill effects.
I will have 4 inch 10 micron filter socks in stock this week.
Cheers,
Tim
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