EricD675 Posted November 14, 2009 Share Posted November 14, 2009 Hi, I mixed my saltwater last night. I used oceanic salt and rodi water.. After letting it mix in and heat up, I tested the PH and was at 8.8 high side of API test kit... So I then let it sit overnight and this morning I stuck the heater and powerhead back in there. Proceeded to let it warm and rechecked the PH and it is now at 7.8.. I`m lost Is this fine? Should I add it to the tank? Link to comment
johnmaloney Posted November 15, 2009 Share Posted November 15, 2009 circulate it...shouldn't let water sit, the dissolved oxygen levels drop as does the ph Link to comment
Mr. Fosi Posted November 15, 2009 Share Posted November 15, 2009 ... the dissolved oxygen levels drop as does the ph NSW, yes, but not fresh SW mixed in a clean container. I assume you keep your water indoors? Have you done the quick-and-dirty test for elevated indoor pH? Link to comment
EricD675 Posted November 15, 2009 Author Share Posted November 15, 2009 Yes I keep it in the bucket inside.. with a koralia nano in it for atleast 30 minutes before adding it to the tank. What is the quick-dirty test? Link to comment
johnmaloney Posted November 15, 2009 Share Posted November 15, 2009 really? you can mix up SW and let it go stagnant and the ph won't change? Link to comment
Llamaguy Posted November 15, 2009 Share Posted November 15, 2009 If you keep it in an air tight container, you shouldn't have a whole lot of co2 or o2 dissolve to effect your pH. If you already do, try filling the container more to reduce the amount of trapped air. Link to comment
EricD675 Posted November 15, 2009 Author Share Posted November 15, 2009 So my best option would be to mix up the water and change it that day? Link to comment
Mr. Fosi Posted November 15, 2009 Share Posted November 15, 2009 What is the quick-dirty test? 1) Collect a cup of SW, either tank or bucket and record it's pH. 2) Aerate with good air diffuser indoors for 1-2 hrs, re-record the pH. 3 Take cup, diffuser and airpump ourdoors and aerate for another 1-2 hrs and re-record the pH. If your pH stays the same or drops when aerated indoors, then raises again when you aerate it outside, you have elevated indoor CO2 relative to outside air. really? you can mix up SW and let it go stagnant and the ph won't change? Was never a problem for me when I was still mixing water. 3:2, IO:Oceanic in a clean 5g bucket with a sealing lid. I let me water sit for up to a month with no powerhead or aerator and never had an issue. So my best option would be to mix up the water and change it that day? Your best option is to not worry about it and do the CO2 check. Link to comment
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