Original > Hot Tub Forum
Green musty water remedy
norcalhottub:
Let me say off the bat this is my oversight but want to make this a learning experience.
1st time owner going on ~2 months using our hot tub, I've been keeping up the pH, alkalinity levels etc and changing out the chlorine frog cartridges pretty religiously but failed to address the physical filter. I guess me being excited, my brain only registered to address the filter every few months using the soap formula but overlooked the mention of hosing it down every week or so. The past few weeks or so i started to notice water getting a bit murky but thought maybe i was over thinking things. Fast forward today after not utilizing the tub in 3 days, i open the cover and the water was darker green, murky and musty. pH/alkalinity levels were so high and the chlorine cartridge indicating empty (via test strip).
Upon this mistake, I removed the filter, hosed it down thoroughly, swapped out the chlorine frog, and shocked...will check on the pH etc shortly. My question is, did i go too much over to the point where i should just drain and refill or can i salvage levels and clarity w/ the above actions?
Tman122:
--- Quote from: norcalhottub on May 20, 2020, 09:57:56 pm ---Let me say off the bat this is my oversight but want to make this a learning experience.
1st time owner going on ~2 months using our hot tub, I've been keeping up the pH, alkalinity levels etc and changing out the chlorine frog cartridges pretty religiously but failed to address the physical filter. I guess me being excited, my brain only registered to address the filter every few months using the soap formula but overlooked the mention of hosing it down every week or so. The past few weeks or so i started to notice water getting a bit murky but thought maybe i was over thinking things. Fast forward today after not utilizing the tub in 3 days, i open the cover and the water was darker green, murky and musty. pH/alkalinity levels were so high and the chlorine cartridge indicating empty (via test strip).
Upon this mistake, I removed the filter, hosed it down thoroughly, swapped out the chlorine frog, and shocked...will check on the pH etc shortly. My question is, did i go too much over to the point where i should just drain and refill or can i salvage levels and clarity w/ the above actions?
--- End quote ---
After 2 months on your water I say good job, drain and start again. Most new owners need to drain and re-fill sooner than normal the first time because of heavy use.
Sam:
Generally this is a result of insufficient sanitizer and not a dirty filter.
norcalhottub:
--- Quote from: Sam on May 21, 2020, 10:58:30 am ---Generally this is a result of insufficient sanitizer and not a dirty filter.
--- End quote ---
Hmm - this would definitely add some confusion as I've been pretty decent w/ up keep on that front. I did notice the Frog chlorine cartridges run out significantly quicker than 4 weeks, however never let it get past that. Asides from this, I've been keeping levels within range since ownership (which is not long).
Sam:
If your bather load exceeds the amount of sanitizer the water will quickly get funky on the @ease program. The level of free chlorine is so low that the margin of error is small. If your cartridge was out for a day or 2 and you used the hot tub, the water will likely turn. To clear it up add a healthy dose of chlorine, either dichlor or bleach.
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