bottled alkalinity

[redseamax130d]

I have a 1 gallon bottle of two lil fishes alkalinity mixed with rodi water. I want to know if alk go's bad or start to loss potency after time . It's about a year old

 

[redseamax130d]

Bump

 

[MIKE NY]

it may possibly be still good, but its so cheap any easy to make yourself I would just make a fresh batch...

 

[ryeguyy]

did anything settle to the bottom? if not i'd say use it. When I had my nano tank I would use 1 gallon per year so the end of the bottle was a year old.