free - lye for gfo recharging (calgary)

[xerxes300]

aka: lye, Caustic Soda

take as much as you need

text: 604 779 1085
located beside BCIT, M-F

[xerxes300]

Yes, the sodium hydroxide is Free

- add 40 grams of sodium hydroxide to 1 Liter of freshwater to prepare a 1M solution, then soak ur used GFO for a couple of days, and rinse - ull never need to buy GFO again.

- if u want, for $25, i can prep a 1M solution, in a Lab grade 2.5 Liter bottle
604 779 1085

[hillegom]

I took xerxes up on his offer
Thanks you very much

[GoFish]

Originally Posted by hillegom

I took xerxes up on his offer
Thanks you very much

^^^ same. Thanks again for your generosity xerxes

[xerxes300]

no problem

FYI
Vancouver water:
nitrate = 0.06ppm
phosphate = <0.005ppm