Is my tap water ok for water changes ? - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 05-30-2014, 01:43 PM Thread Starter
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Is my tap water ok for water changes ?

The tap water I use for water changes has a TDS reading of 297. 5ppm ammonia, o nitrites , 0 nitrates. Are these readings ok to keep using for topoffs and water changes ?
55 gal tank
moderatly planted
Prime water cond.
no co2
excell-as directed
flourish comp.-as directed
48 inch T5HO 108 total watts

Last edited by rick dale; 05-30-2014 at 01:56 PM. Reason: addition
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post #2 of 3 (permalink) Old 05-30-2014, 02:19 PM
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I do have a smaller tank, but use the Excel @ 2x the recommended doses except for that add more part after a water change. Typical deliberately misleading corporate advertising. Excel is not effective after 24 hrs so how can you deplete it by doing a water change unless you were dumb enough to do the water change just after adding the Excel ?
Check the TDS just after a WC and then after topping off later in the week. It should show an increase. I have not researched if this is harmful to any fish. I would think it to be good for the African Cichlids but I don't know that as a fact.
It does sound good for shrimp though. But I have only the RCS type. Other types may be different in those requirements.
BTW...you may get some useful info from the fert section because you do not have complete ferts. Plants/w pinholes in the older leaves are sympton of this for example.

The shortest distance between any two points is a straight line...in the opposite direction...
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post #3 of 3 (permalink) Old 05-30-2014, 07:35 PM
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Hi Raymond, I don't mean to steal this thread but I'll redirect it a little maybe. You say there is no reason to follow Excel's extra day 1 dosage since it is only effective for 24 hrs. You are probably right for the purposes of delivering carbon to the plants but many of us are using it as an algaecide and for that I understand the daily 5ml per 50G recommended dosage is not effective. Rather it has to be about twice that dosage. Do correct me if I'm wrong.
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