do they have Cyanaric acid "stabilizer" in them?

Any advice on how to get rid of combined chlorine. Have tried chlorine and non chlorine shock, granular and liquid. Still nothing!! My pool has been open about 10 days....

I can't get any FC to stay in my pool. I've shocked with cal hypo several times. When I shocked the first time my CC was 4ppm with no FC. Since then after three more...

I have had a pool for 8 yrs. This year I cannot get a free chlorine reading and the pool is cloudy.I have put ,ready for this, over 50 lbs. of shock.I have a TC reading...

Every year I have trouble getting chlorine in my pool. I will usually use 15 to 20 pounds of chlorine and about the same amount of shock to get a good chlorine reading....

Here's an odd one. We're having problems getting a free chlorine reading after reopening our pool this spring. We've gotten some new test strips that work for both pools...

I have read with interest the comments about no chlorine readings. i have had an inground pool for 9 years and never had this problem till this year.

We have opened the...

We use granular chlorine as a method of water disinfection. The problem is that we have a lot of calcium build up in the chlorine tanks.

Is there a system for sale...

I've got a Taylor K-2006 test kit which I began using this year, but have a question I'm hoping you experts can help with.

As per the instructions, I use 2 dippers...

Every year we have to shock our pool more then 9 bags to unlock the FC, This year I have done it twice and the last time with 12 bags. PH is 7.6, Alk is 90, CYA is 30,...

Hi! I own a 12,500 gallon vinyl lined above ground pool. We use a sand filter and a chlorine floater with tablets. We have low chlorine, and have had low chlorine all...

I have a 28,000 gallon in ground pool. If I start out with zero chlorine when I open the pool how much should I initially add? What should the nornal level of Chlorine...

My 3rd year with this pool. I have a Haywood filtration system. Haywood Model CL200 Chlorinator. Serial #340A33. Haven't had any problems yet...

I just opened my...

Does anyone know how to remove the Control Valve Assy on a Haywood CL2200? The Cl level in my pool goes too high even with the control valve completely closed.

Thanks

Opening the pool we built last year. Wen I tested water, the chlorine is in the normal range. Do I still have to shock?

Thanks!

Hi there,

Thanks in advance for any info.

First of all I live in AZ with fill water at TA 150 and CH at 400, and PH about 7.7. Honest. I checked with my Taylor...

Hello, I am taking care of a friends salt water pool and the water has turned a lovely green color, well, she isn't very happy with that so what do I need to do? She...

I've just finished a partial drain/refill cycle on a "new" (for us) pool at house we bought a few months ago. Due to the use of pucks, I found the pool...

The automatic chlorine feeder for my indoor pool was miscalibrated. I now have 8+ ppm of cl. After a shock treatment, it typically takes a week or more for cl. levels to...