My Total Alkalinity is too low. To increase it I think I need to add Sodium Bicarbonate. How do I get hold of this in France (what is it called) and how much do you put in per M3?
Tks
Simon
You need bicarbonate of Soda (F. bicarbonate de Sudre) PM me with your details and I'll help if I can;
25 Kg sac
TYou didnt say haw low your TA is and how you tested it - digital tester?
Andrew
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