rexstar
03-26-2011, 09:08 AM
Hello.
Can someone tell me how much Na<sub>2</sub>SO<sub>4 </sub>(powder) should I use, grams per liter?
What is the recommended quantity.
Thanks.
Can someone tell me how much Na<sub>2</sub>SO<sub>4 </sub>(powder) should I use, grams per liter?
What is the recommended quantity.
Thanks.