low dkh

[Corwyn]

So, for about the last week I've noticed my dkh dop from 7-8 to
4-5.

My ph is 8.2-8.3 my CA is 450 SG is 34.

THe only change I've made is switch from kents Kalc to
Mrs(I forgot) Pickling lime.

What can I use to push my dkh back up and why would be droping????


Corwyn

 

[shawn]

Hmmm.... I was going to switch to Mrs. Wages soon, so I'd also like to know why.

 

[Moe_K]

Use baking soda to push your alk back up.
I'm not sure why it's dropping but the baking soda will do the trick.
Dissolve a teaspoon or two in a Ro water solution.
Dump that in the tank.
Measure your alk 12 hours later.
You may see your pH drop a bit back towards 8.0, but don't panic. The pH change is temporary. Once the alk comes back up, watch your calcium.