Thread View: sci.aquaria
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Started by jim crouse
Fri, 13 Nov 1992 20:55
phosphate in salt-mix
Author: jim crouse
Date: Fri, 13 Nov 1992 20:55
Date: Fri, 13 Nov 1992 20:55
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jim@coral.aiss.uiuc.edu
Re: phosphate in salt-mix
Author: John Polstra
Date: Mon, 16 Nov 1992 18:37
Date: Mon, 16 Nov 1992 18:37
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In article <BxoA3x.AsH@news.cso.uiuc.edu> jim@coral.aiss.uiuc.edu writes:
> Does anyone know the levels of phosphates in Instant Ocean's regular
> salt-mix ?
The Summer 1990 issue of SeaScope (a 4-page newsletter that you can get
for free in some fish stores) lists the results of an analysis by an
"independent laboratory experienced with salt water testing." The
levels of phosphorus found in water mixed from various brands of salt
mix was as follows:
Instant Ocean 0.19 mg/L
Forty Fathoms 0.35 mg/L
Marine Environment 0.71 mg/L
Tropic Marin 0.23 mg/L
Natural Sea Water 0.07 mg/L
Caveats:
1. They broke the analysis down by element (phosphorus) rather than
ion (phosphates). Still, the relative values should be
indicative of relative phosphate levels.
2. SeaScope is published by the manufacturer of Instant Ocean.
--
John Polstra polstra!jdp@uunet.uu.net
John D. Polstra & Co., Inc. ...!uunet!polstra!jdp
Seattle, Washington USA Phone (206) 932-6482, FAX (206) 935-1262
"Self-knowledge is always bad news." -- John Barth
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