Next time you plan on storing it add couple cap fulls of bleach during regen cycle. (Same time you add the salt). Then finish regen and completely drain.
The bleach during regen should stop any bacteria growth during storage
Is it time for your medication or mine?
2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31