Forum: Pool Chemicals & Pool Water Problems

Hi there. New to this forum and have a question...I drained my pool a few months back because of high CYA but apparently didn't take enough water out...

Just joined the forum and this is my first post. Anyone every experience a major outbreak of a white precipitate form after using a sequestering...

I am following the BBB method, but using Cal Hypo shock instead of liquid bleach. The Cal Hypo is a little cheaper and a little easier to use than...

Hello everyone! First time pool owner here (grew up with one, but someone did all the work!) ~17000 gallons, outside, screened. The pool...

My water was crystal clear last night. Not so this morning. I ran my heater overnight, which i rarely use, and now my water is a little cloudy and...

Hi, PH is 6.8 and i added half a box of borax about 4 hours ago with pump running. no noticable change in ph. My question is how long does it...

what can I do about a blue hazy pool. Was green shocked and flocked it , now blue and hazy.

Hello, I just recently filled my pool. I'm wondering the best way to get my Cyanuric Acid level to 30 ppm. My pool is ~15k gallons. I saw...

Hello. We switched our pool to a Nature Two cartridge system and potassium shock due to chlorine triggering asthma attacks in a family member. The...

I have a 15000 galloon free form plaster pool, saltwater, that is 1 1/2 years old. My water chemistry has been spot on for all levels. My pool...

My initial chemistry results : pool size 17000 gals FC 1 TC 2 CYA 40 other results with in acceptable levels. I shocked with 3 lbs calhypo 48%...

hello from very hot and sunny central ca. I'm having a algae problem and hope u all can help I can't seem to get rid of what I believe to be dead...

i'm in the process of planning my 1st in-ground pool. I've been worried about negative info on net about chlorine levels which led me to the UV...

Just saw some granular Muriatic acid called No Mor Muriatic Acid. Ingredients are: Active ingredient is Sodium Hydrosulfate 83.3%. rest is other...

Do any of the pucks have lower CYA percentage or are they all the same?

We just got a new harbor master 27' x 54" 2 1/2 weeks ago......we have well water so we had our pool filled by a local fire company which the water...

Water loss from draining, leaks, splash out and carry out would take with it the same concentration of chemicals (FC, TA, CH & CYA) as found in the...

WE have been having some issues in the deep end with black stains, we tried the Vit C but did not really make a difference. It is a fairly new liner...

So about 2 weeks ago my pool was clear. I checked it the next morning and the water was really cloudy. It has been cloudy since. At one time I...

Hello, I used your suggestion to add Borax to the pool to increase ph only, as my ph was low 6.5 / 6.8 range and my alkalinity was high 220-250. I...

We repainted our old in-ground pool (fiberglass sides and concrete bowl) with chlorinated rubber which we've used on all previous paintings. Paint...

Pool was blue cloudy unable to see shallow end or deep end but blue. Meaning I was greenless in the pool. Then I added bleach to pool and now I am...

Long-time pool owner here but I must have gone brain-dead. Have been keeping my gunite 17.5k gal, DE filter pool clean but the chlorine and PH have...

Hi.. Yesterday, we tried adding Leslie's sand filter revitalizer -...

We just backwashed our in ground pool (17X33, 22,000 gal approx) and the jets squirted cloudy water for about 30 minutes, until we returned the water...

Hi, this is my first post. I was just wondering if anyone had any opinion or experience with ultraviolet pool systems. I have a 20,000 Gal. inground...

We have an inground pool with a vinyl liner. This year we noticed our deep end looked very yellow on the bottom, and the discoloration is now...

Some specifics on my pool first: - 18k gallon outdoor gunite pool with Pebblesheen - Hayward Ecostar Pump - Hayward 1HP Super II Pump for...