KZ Reefers best salt alk 11

[Myka]

Muriatic acid will lower alkalinity specifically. It will also temporarily lower pH to a dangerous level. I put the RO in the tub, add the Muriatic acid, then add the salt, let it mix for a day with a powerhead.

I had the same problem with H2Ocean...alk was 7.5-8 some years ago and now 9.5 is typical. My tank alk is 7-7.5 so I adjusted pre-waterchange. This is the leading reason why I decided to pull the trigger on trying out the Aquaforest method.