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co2 in tap water

sa80mark

Member
Joined
2 Oct 2007
Messages
859
Location
Leicester
Im just about to set up a low tech dirt tank and thought I had everything set, then I had the bright idea to test my tap water for ph and the results have me a bit worried / confused as to what to do about water changes

Ph straight from tap 6.2
Ph after standing (12 hours) 7.6
Ph after standing (24 hours) 8.2

Ive tested it everday for the last 6 days and all the results are within 0.2 of the above

So what should regarding water changes ? Should I wait the 24 hours for it to gas off as im concerned about fluctuations in co2 and the resulting algae problems

Thanks in advance
 

darren636

Member
Joined
5 Aug 2011
Messages
1,912
Location
dorset
Do water changes long before lights on , or after lights out.
 

darren636

Member
Joined
5 Aug 2011
Messages
1,912
Location
dorset
Or as you said, fill a bucket of tap o water and leave it overnight to de-gass
 

dw1305

Expert
UKAPS Team
Joined
7 Apr 2008
Messages
12,324
Location
nr Bath
Hi all,
It may be low in oxygen rather than high in CO2, but either way Darren's suggestion of leaving it to de-gas ("equilibriate with atmospheric gas levels") should do the trick.

cheers Darrel
 

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