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My pool light no longer works and requires replacing. I have verified power up to the junction box so I am pretty sure it is the light. My light is operated by a single wall switch. Does anyone have any experience with the Jandy multicolor LED lights? I am considering the Jandy CPHVRGBWS30. It...

Thanks for all the information. Do you see a difference in the polyfil absorption of the iron at different water temperatures? In other words, is it better or worse when the water is say 80-85 vs 60-70?

Thanks! Do you know what the chemical interaction is whereby the polyfil absorbs the iron? Just curious.

Also, when you refer to polyfil, are you referring to white fluffy stuff like what is used in stuffing pillows?

With the iron in solution by adding ascorbic acid, will the Curator packs in the skimmer basket and pump basket be effective in removing the iron from the water?

Hello Allen, Thanks for your reply. My mistake: when I said calcium tablets, I meant to say vitamin C tablets! Per your suggestion, I applied another "good dose" of vitamin C tablets on the staining and lo and behold, the stains would disappear, confirming iron. Any idea why the iron stains...

My pool is slowly developing some staining and I am baffled what it is and how to address it. See the attached photo with the developing brown staining along the edges of the sun deck and steps. I have applied calcium tablets directly to the area - no effect - so not iron. I have applied liquid...

Thanks to all who have assisted me. Here is an update. I soaked the cartridges in TSP for 18 hours at a mixture of 1 cup per 5 gallons fresh water, then I rinsed them off. Then I soaked then in muriatic acid for 18 hours at a mixture of about 40 to 1 in fresh water. They came out pretty clean...

I completed an 18 hour soak with my cartridges using TSP (6 cups in 30 gallons of water), then throughly rinsed them off. Upon startup, the pressure as 19 psi - down 3 from 22 psi but well above the previous clean state of 12-14 psi. After running the system for about 8 hours, psi has increased...

Hi Jim, Unfortunately, 6 years ago when the pool was built, I never ran the brand new system without the cartridges installed to check for the initial baseline pressure. It is interesting as you say, the pressure now (12-14 psi) is the same as with perfectly clean filters. I agree, I was...

No, I have not used floc. But last September, I did the protocol for removing iron staining. The procedure worked great. I did not notice any pressure increase following this. Ascorbic Acid Treatment - Further Reading I will try the TSP approach. Any idea how much TSP to use in a bathtub? My...

Here is an update. I removed the cartridges, put everything back together and restarted the (single speed) pump. Pressure was 12-14 psi. In the past, when my filters were cleaned, the pressure would be the same. Again, putting the cartridges back in, the pressure is back up to 20-22 psi, which...

Mr. Rocket and Jim, Thanks for the suggestion to remove the cartridges and see what pressure I get when running the pump. I will try that and will report back. This is indeed strange since the filter material really looks to be in good shape. Last summer I replaced the motor on the pump due to...

Hi Maddie - no change in valve positions - comparing apples to apples. There is no backwash on a cartridge filter system: you drain the filter tank, remove the cover, remove the cartridges and clean them, then put everything back together.

I have the Jandy CV580 filter with the 4 cartridge filters (R0357900). After cleaning the filters, pressure is normally about 12 psi. When pressure gets to 22 psi, I clean the filters (according to the markings on the gauge. However, now with perfectly clean filters, the pressure is 20-22 psi...

Hello Allen Very sorry for the late reply - I have been out of town as well. Excellent update to article - most appreciated! As soon as my chlorine level comes down, I am ready to rock and roll! Again, thanks so much. Mike

Hello Pool Jedi Knights! Is there an update to this article which discusses how to remove iron staining? https://www.troublefreepool.com/threads/ascorbic-treatment-to-rid-pool-of-metal-stains.2129/ I also have a few questions. Since I plan to go through this process for my 17,000 gal pool, I...

Thanks everyone. I have seen some Youtube videos. Pretty easy to replace the pump. I'll need to get the additional seals, o-rings, etc. Not interested in trying to replace the bearings on the motor since they will likely be very hard to remove (i.e. bearing removal tool!) Plus, I don't know if...

Hi Jim No, there is no water leakage. I had a feeling that pump connection points are not standard. Thanks for the tip about a motor repair. I assume all that is needed is to disconnect the motor from the pump itself - correct? Does this break the boundary to the fluid side or is the pump...

Thanks, Sammy

I have the following pump: Jandy Pro Series Stealth Pump SHPF 2.0 and it is not so stealthy anymore! 5 years old. It is much much louder than it has ever been!!! Does this mean the pump and/or motor are on the way out? Flow and pressure in the pool seems to be happening as normal but is the loud...

Seeking recommendations for robotic pool cleaners for an in ground free form (oval-type) gunnite pool, 17,000 gal, approx 18' x 34'. It can either be pressure fed or electric. Seeking some choices: good, better, best. Thanks

It was sold before I could get to it!

When I had my in ground pool (free form type oval shape) built about 4 years ago, I bought the Polaris 360 pool cleaner. I have never really been that happy with it's performance so it is time to move on. A neighbor is selling a Dolphin S300i for $150 since he moved. Can any offer any thoughts...

Jim R A point of clarification... I do not have an issue with rising TA. The reason my TA was so high (90) was because I added too much baking soda the other day after I added acid to bring down the pH. So, assimilating the advice here (short of adding an acid doser)... it looks like I should...

Thanks everyone for your input thus far. Here is my chemistry - just tested: TC = 5.0 pH = 7.9 TA = 90 CH = 400 CYA = 75 NaCl = 4500 I added about 7 cups of muriatic acid which brought the pH down to 7.1 and TA down to 70. Here is the drill: I've been lowering pH to about 7.3-7.4. Then it...

My new saltwater pool has not been in service for almost 2 years. From the beginning, I have to add muriatic acid to control the pH. Right now, I am addition 1/2 to 1 gallon per week. Can someone please tell me why after nearly 2 years pH continues to creep up and I have to add acid every couple...

Test results from yesterday: pH - 7.5 CH - 500 TC/FC - 5 CYA - 65 TA - 70 NaCl - 3900 (added about 25# to bring up to 4100-4200) Note 1: CH no doubt increased dramatically due to the acid wash and brushing of the plaster. Note 2: Being a new pool (Sep 2014), pH continues to go up, so I...