Soft water

delroberts

delroberts

New Member
I just added a water softener to my home. Is there a possibility of this being a problem? The water is still filtered with a Kent Maxximum 4 stage water filter. Your comments!
 
fishnerd

fishnerd

Member
If you use RO/DI with or without a softener, you want to add a buffer to bring that water's pH and alkilinity back up to where it should be. Topping off a 150 with 1 gallon is no big deal, but adding 5 gallons to a 55 is a problem.
 
reefnut

reefnut

Active Member
I wouldn't add anything except maybe kalk to the top off... there is no reason to. If you're allowing 5g to evap from a 55g before topping off the PH will be the least of your worries.
 
fishnerd

fishnerd

Member
No, if you add 5 gallons of RO/DI water to a 55, your pH and alkalinity will go thru the floor. They will slowly rebound, due to the arogonite/CC dissolving, but the change will be drastic enough to shock the system. The change in salinity from 5 gal is not a MAJOR deal, but pH and alkalinity is.
 
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