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Re: [APD] filtration goals

Stuart Halliday wrote, in part:

>Utility? You mean the local water supplier?
>It does and this is the only tank out of the 5 I've got with the problem.
>I suspect the soil I put in. I bought a bag of pond soil.

Yup, local supply/utility.

>I'll look for a phosphate resin. Ultraphos by UA? It's iron based.

I use PhosGuard by SeaChem, which is aluminium-based:


But the two metallic materials seem to be similar in action from the ads on
this side of the pond.

Perhaps UltraSil?  It is the one which specifically mentions silicates as
well on:


But I did not do an extensive search, just quick & dirty.


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