Live moss as test for TDS?

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Fishkeeper

 
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Live moss as test for TDS?

by Fishkeeper » Sun Feb 12, 2017 7:45 pm

So live LFS gets dark at the tips when it's in media or water with too much mineral contamination, right?
Is it, therefore, a safe assumption that any media or water that doesn't turn moss dark after a month or so is free of TDS, or does that only mean that it's free of certain darker minerals?

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roarke

 
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Re: Live moss as test for TDS?

by roarke » Tue Feb 14, 2017 8:45 pm

Image
My sphagnum sits at about 24 cm from the artificial lights. It has already put new heads. Maybe should be closer.

I thought that darkening means that it is too close to the artificial light, but if the minerals are involved, you cannot check what minerals are involved.
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steve booth

 
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Re: Live moss as test for TDS?

by steve booth » Wed Feb 15, 2017 1:31 pm

Try using a TDS meter on the water, that is the only way to make sure, Sphagnum can be tolerant of some minerals. Meters are relatively cheap these days.

Cheers
Steve


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