First dose of calcium. Seems like I seen better results using both parts of a 2 part system. Probably should have done this with the ESV.

Started with the Seachem today seems to work better. But time will tell. I wasn't using the 2nd part to the ESV but I am with Seachem.

Up to 120 ppm after this dose.

The ESV is working. Slowly but surely raising alkalinity.

Still trying to correct the low alkalinity. I tested and the first dose raised it about 40 ppm.

I am trying to raise low alkalinity right now. I don't know if I had a batch of Reef Crystals or if there is another problem. I will test the next new batch and figure it out.