Chlorine Lock ????

[poolrescue30]

I did do the stick test for ammonia, I will pick up the other ammonia test kit they had in the store that uses drops and a color card , similar to the pool 5 way test kits. I know for sure I put in 3 gallons of ammonia on start up by suggestion of the new pool guy (who I don't use anymore). Can 3 gallons in a 33k pool , do so much damage ?? How do we get rid if it is ammonia, maybe we should treat it as such even with the stick test showing negative. ??

[poolrescue30]

Ok, update: I purchased an Ammonia test kit with the drops and color card , goes from 0-8ppm. I will do it as soon as I get home and test the FCL and TCL again.

[poolrescue30]

Ok, the reults are in :
On the Lamotte kit, FCL is .41
TCL is 1.45
On the FAS-DPD kit it turned a tinge pink when the dpd powder was put in, then 1 drop of R-0871 cleared it up , which should indicate .5 FCL , then 5 drops of R-0003 turned it pink , then 2 drops of 0871 turned it clear which should indicate 1.0 of CC , I don't know if that means we are coming closer to solving this, I did put in the 10 pounds of Calcium hypo into the skimmers at 10:30 am before leaving to a meeting , and the pool is cloudy due to the chemicals. I did these CL tests at 4:45pm, the Ammonia test came out with 0.25 ppm (mg/L) so I don't think ammonia is the problem. There is no visible algae, no alge on the floor. I'm going crazy .....Should I use 8 gallons of 6% bleach overnight ???

[CarlD]

Did you measure that FC tonight? Did all the Cal-Hypo dissolve (that's why it's cloudy--don't worry about THAT for now)?

If so, it's now evening, then add 5 gallons of LC...I think you are fighting the organic, whatever it is. Check your FAS-DPD test in the morning, too--BEFORE you add more. If it's come up, you are making progress. But you'll need to add enough LC to get it to the shock level.

PATIENCE!

[chem geek]

I know for sure I put in 3 gallons of ammonia on start up by suggestion of the new pool guy (who I don't use anymore). Can 3 gallons in a 33k pool , do so much damage ??

Ok, the reults are in :
the Ammonia test came out with 0.25 ppm (mg/L) so I don't think ammonia is the problem.

I don't know the concentration of ammonia that was used, but let's say it was 10%. That would be about 2.5 pounds or in your 33,000 gallon pool that's 9 ppm which is a lot and would require a cumulative amount of 90 ppm FC to get rid of. Also, you could have had ammonia before you even added it, from soil bacteria converting CYA into ammonia.

The fact that you are measuring even a little ammonia along with CC probably indicates that this was the problem -- but the good news is that you may be close to done! I'm keeping my fingers crossed.

Richard

[CarlD]

Ditto, here!

Thanks, Richard--the ammonia issue is a very, very unusual one for our members.