How to Raise pH in Aquarium?

Question:

I auditioned in my aquarium and gave ph6,6, how do you increase my betta to the whole owl, and sad, so is the aquarium background, what do you improve it? 8 bettas have everyone else has the same quality of water, plants and TPA’s regularly, so that at this way, what will? help me, please…

Answer:

You can add shells or limestone in aquariums. They increase the Ph.
You have several products that increase you the Ph too.

See the pH of Aqua troneira should be around 7. If scanning the basic Ph, or alkaline, is TPA’s 50%