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I suspect the debris in the pool was the problem. It takes a whole lot of bleach to turn a leaf into liquid! You have to get all the crud out of the pool before the bleach can work. Then, you may also have algae lurking behind the lights that can feed the beast when you think you nearly have it...

I see no problem using cal-hypo to SLAM, given your CH is 250. Do be sure that pH is low when you use cal-hypo and that may be the problem if your FC is above 10 which is high enough to not be able to test pH correctly. After seeing the calcium ring that my pool got after using cal-hypo when it...

Re: Polaris Pool Cleaner gets stuck 10 years... AMAZING. Then I noticed ARIZONA location. Ok, now I see. My Polaris hose needs to be replaced after about 3 or 4 years. Winter stiffens it a lot, and it runs all winter here in Houston area. Also the swivels tend to get old and stiff, sort of...

Moles eat earthworms and grub worms, voles are like underground mice and they eat seeds, fruit, and roots, gophers are slightly larger and eat seeds, fruit, and roots. Check with your Agricultural extension service to see what burrowing critters you have there. Various sorts of various sizes...

First things first. Order a test kit that will give you the numbers you need to get this under control. I use the TF-100, you might want the XL version. If there is any duplication with what you already have you could order just the parts you need, but over time, you will be happier if you get...

Lovely. And congratulations on NOT saving the removed dirt to create a raised bed behind the pool. So often that is done and then all the irrigation water runs downhill into the neighbor's yard, drowning their landscaping. Super to begin with a real plan from someone who knows their plants, not...

I think the line that you hear about "bleach is harsh" is actually true IF the bleach is used with NO stabilizer. Not that you or any other devotee of TFP would ever do such a silly thing. We know better. No wild and crazy unstabilized bleach for us.

With your TF100 test kit and the Pool Math calculator, you will be able to first calculate then actually measure when your CYA has risen to the recommended levels while using trichlor. At that point you want to switch to a chlorine source that does not add stabilizer (CYA). If the Nature...

Nonsense, it is certainly available in Texas. Heck it is manufactured in TX.... I get Liquid Shock at Leslie's in The Woodlands, TX. This is 10% strength, sold in a 4 gallon case. About $16 as I recall. I suspect that if you ask for "liquid chlorine" the kid at the counter is perhaps not...

This scenario is why I like to keep a big bucket of cal-hypo on hand. It stores well and in a crisis, you will not have enough bleach on hand to really shock the pool when you need it. After vacuuming out the remaining solids, I'd raise the FC to shock levels. Not sure why you are operating...

When we bought this house the pool color was sort of beige with grey scuffs. I replastered, thinking that this was gunite showing through but when they emptied the pool and started chipping around the fixtures we found the pool had started out a nice medium grey and then gotten bleached out to...

I was guilty of the same error as Donldson, I "participated" here for almost 6 months while I worked on using up my test strips. Truthfully, I even bought a second round of strips when the first ran out. By the time I got a real test kit my "freshly filled' pool was up to CYA 130 and I had...

I will guess that weed and feed will kill it. Call a good nursery to verify that, of course. That stuff is meant for most grasses and kills most anything else unless the fine print says it is safe. Personally I hate the stuff. Had a favorite cat nearly die from getting a pellet stuck in a paw...

Oh, that was me, in error about using the skimmer. I will correct that in the future.

And Organics will include leaves, pollen, swim suits, body oils, sweat, hair, and so on.

With NO CYA in the water you need to not go too high on the FC. The sun will burn off that FC right away so don't bother to put in a whole lot, just take it up to 3 or 4 ppm at the end of the day. Circulating chlorine in the dark will allow the chlorine to attack the algae while the algae is...

Clorox is fine, the newer 8.25% is fine. Be sure to select the correct jug size and concentration when you are using the Pool Math calculator. Generic MIGHT be fine, grocery store brands tend to be OK but do check the strength. Dollar store brands may be OK and might be so weak or old as to be...

I keep notes in my test kit that say "1 jug of bleach adds 4 ppm FC" and "At CYA = 40, FC target is 5 ppm, minimum is 3 ppm", "At TA = 80, 3 cups MA reduces pH from 7.9 to 7.5"

If Math calls for 435 oz then just estimate 3 1/2 to 4 gallons of the 5 gallons. Circulate an hour and retest to see where you are. You may want to add more at that point, or wait another hour and retest. Liners can be harmed by too high FC though plaster won't be. Not sure what you have. Take...

At CYA = 70 your shock level is FC = 28 so you are not going to clear until you get the FC much much higher. When the pool is clear you need to keep FC between 5 and 8 at all times. But that will not clear the pool at this point, you need to get to shock levels. SLAM - shock level and maintain.

My sister there in AZ says you are nearing the Monsoon season. If you have rain gutters on the roof, you can rig up a connection to capture that water and send it into the pool. Free water, yea! Search the site for some discussion and photos of how to filter trash out and make the connections...

Then, when you have your calculate CYA and your target FC for a SLAM, get some plain old bleach (I like Clorox from Sam's or Liquid Shock from Leslies) and use Pool Math to find how much you need to add. Turn off the SWG while you SLAM. Add bleach, circulate an hour and test FC to be sure you...

Hi, Welcome to the forum. Yes you need to SLAM, yes you probably have algae beginning. CC is the difference between FC and TCL, so if FC = 0.06 and TCL = 0.36, then CC = 0.30. At least per the math..... those tests are not accurate to that degree so let's just say that FC = 0, and TCL = 0.5...

Stop testing CYA unless you have done something to actually change it. It should be where it was last, unless you added something with stabilizer or drained water, perhaps by overflowing with rain for example.

Can you use a single shock to help remove pollen?

valueFor small adjustments to CYA there is no harm in using a few tricolor tablets. Use Pool Math to find how many you need in total. Add them over whatever is the appropriate time interval. Monitor FC as always. Like, if you could use 10 tablets to get CYA to the required value, then use them...

We have a propane fueled sprayer.... I noticed a bad oil sheen on the pool after the first use and have been hesitant to suggest using it a second time.

I hear they work, but they kill all sorts of things, bees, lizards. The neurotoxins freak me out, personally. Pyrethium is natural yes, but that does not make it safe IMO. You will want to hear from someone who has one, not just my random opinion however.

Please clarify how you were adding stabilizer... were you using a stabilized chlorine powder to shock the pool? Was this in addition to adding stabilizer? Trying to understand what you final CYA number will be as all CYA may not be showing up on test for a week or more. Hoping that you have...

If TA gets too low, then pH becomes unstable. If pH crashes, that is goes below the minimum testing range of 6.8, you won't know how low it actually could be. Might be 6.9 or 5 or 4 or 3, you won't know, it all looks like 6.8. At low pH you risk harming metals in the pool equipment. And of...