SaltyDog
 
文章: 14
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 于 2003-07-01 23:40   
I have reef tank with 5 tangs, opened tank about 5 months already. I always change 20% water every 2 weeks, and usually pH is around 8.0 - 8.1. Today, I leave home today noon, ph is 7.9, then I added one tea sppon of pH buffer in cup of water and pout into tank. (I alway do this). when I come back at night, pH is 7.3 !!!!
I have chiller and only I only added a small piece of "Sun Flower" yesterday. Why that happened?
What should I do now?? I seems all livinf things are still surviving.
PLEASE HELP !!!
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