I had it in my old set up before but never ckecked the ph.It looked alright in there.But im curing it some more just to make sure.Dont know if i will use it or not.Its alot of rock thats just half in the picture.
I checked the ph and i think its 7.8 but didnt check the alkalinity took it out of the water and going to let it dry out in the sun becuase i bleached it.It was under some leaves outside before i cured it.That why i used bleach.Im going to take a chance and add it to my tank.