How long for borate levels to reduce?

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TeenaTeens

TeenaTeens

Bronze Supporter
Apr 25, 2022
293
Tampa FL
Pool Size
12200
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Hayward Aqua Rite Pro (T-15)
How long does it take for borates to reduce? I added 40 level to my pool a couple of months back, but am worried about my dogs. So I’m not going to add it again. My dogs rarely swim and don’t have access to the pool to drink from it. But they are only 14 pounds and I’m second guessing my decision to put the borates in now just in case.
 
I thought I read something from ChemGeek that said borates were inside the 1/100th safety factor for dogs so they couldn’t be considered safe, but in reality the pool would have to be their only drinking source or something to be harmful. I could be remembering wrong….
 
JupiterFL said:
I thought I read something from ChemGeek that said borates were inside the 1/100th safety factor for dogs so they couldn’t be considered safe, but in reality the pool would have to be their only drinking source or something to be harmful. I could be remembering wrong….
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Borates and dogs

Any new updates that anyone is aware of concerning borates and dogs? I'm thinking of adding borates to my pool as I've had a terrific experience with it in my spa. But my dogs do swim 30 minutes 2-3 times per week in the pool, so just asking.....seems like the posts from last year reflect a...
www.troublefreepool.com www.troublefreepool.com

As noted in the thread Are Borates Safe to Use?, the issue isn't toxicity resulting in death, but rather what it would take to get to first symptoms which for male dogs is reduced testicle size. That was at 29 mg/kg/day and the No Observed Adverse Effect Level (NOAEL) was 8.8 mg/kg/day. So for a 14 kg (31 pound) dog this is 123 mg/day which at 50 ppm borates (ppm Boron) is 0.4 liters (1.7 cups) of water every day that would be at the NOAEL. That's still a lot of water unless they are using the pool as their water source.
 
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