5 个月
The Family Handyman on MSNHow to Test and Balance Pool pH LevelsThe healthy pH range for a swimming pool is between 7.4 and 7.8. Most home kits won’t give you a numerical reading, but the ...
10 天
TwistedSifter on MSNNew Model Confirms When Ocean Acidification Dropped Enough For Our Waters To Sustain Life ...With a global average pH of 8.1 ocean water is slightly alkaline. But the good news is that our bodies can handle it – ...
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