raising tapwater ph

[Ooggie Waawaa]

what are the chemical materials needed to raise the ph of vancouver tapwater from 6.5 to 8.5 for lake tangkaniytia cichlids? (just raise the ph)

[tom]

Hi OW

Here's a (still) very good discussion on such recipes, compliments of Erik Olson and company: Water Treatment for Tanganyikans (http://www.thekrib.com/Plants/CO2/rift.html).