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WHO has safety data for incidental ingestion by children in that same article up to 117 and recommends keeping it below 100. Not sure where you are getting the 40-50 data? Citation 1: Where chlorinated isocyanurates are used, levels of cyanuric acid in pool water should not exceed 100 mg/l...

Take a look at this web page. Note at the bottom there are links to types of plants and their ability to withstand salt. http://www.salinitymanagement.org/Salin ... /cp_7.html

It is available in some areas, but I do not know about San Jose. Due to hard water in San Diego and replacement of evaporated water, in the course of less than 2 years, my CH went from 500 to 1100. I am very familiar with those calcium chips you show in your pictures. Until I got the reverse...

I notice Tulsa gets down to upper 60s or lower 70s at night. Wouldn't solar run in reverse (not the direction of flow, but at night rather than day) also be helpful? You would also get the added benefit of extending the season when you could run the solar during the day to keep the pool warm?

Re: Beach in water ?? Please confirm the size of your pool. I don't think it is 4ft x48. Those are both the depth. It is important to know that to calculate everything. How much stabilizer did you add?

Page 38 on of the manual gives the LED code meanings. I had this happen in warranty. Some valve was replaced.

They are just trying to scare you into a more expensive plan. But you know what, they are not lying to you about TDS. Adding liquid chlorine (bleach) does raise TDS. But that is not the whole story. That is the story that sounds bad, when actually it is quite benign. First, it is important to...

That is great! Make sure you follow the shock procedures until all 3 parameters are met. CC < 0.5 Pool is clear Less than 1 ppm decrease in FC in overnight test Even though the Intellichlor is producing again, to shock properly, you will need to supplement with liquid chlorine until...

Drew13 I have a Intellichlor 40. If the red light is on constant for low salt, and the green cell light is off (which I am certain it is with the red low salt light on), you are making zero chlorine. Your pool has algae due to low chlorine and that is why it looks the way it does. There is a...

I find it hard to believe you would have that flow rate and not hear the water running or see evidence of that water. You should also be able to track that on your water meter. Look at it and check back in an hour with no one else running water in the house. Did the whole neighborhood fill up...

That sounds more reasonable as far as cost of water! Ok, we'll try it again: 142,000 gallons in 23 days = 6,174 gallons per day 6,174 gallons/day with 24 hours per day = 257 gallons per hour 257 gallons/hour with 60 minutes in an hour = 4.3 gallons per minute A typical faucet runs 3 gallons...

Whew, this is a tough one. Could it be those little holes above the jets is the venturi suction to add air to the jet to make the bubbles. I have never seen it quite that way, but your description sounds like that may be it. As far as the valves and the pool/spa. When you are removing water...

142 gallons in 23 days is 6.2 gallons a day 6.2 gallons a day with 24 hours in a day = 1/4 gallon an hour or just less than 3 cans of soda in an hour Not really much and this can easily be from a relatively slow leak. How are you getting charged $4.36 per gallon of water?

The white film is not chlorine. Do you have a way to test your water? Really need that to know what to do next, otherwise you are just guessing. Keep running your filter to get everything, including the film, out of the water. You very likely need more chlorine, but that is just an educated...

You are right, the solar panels need to drain. But you are also correct in that it sounds like you are backwashing your sand filter into your pool. You need to let the solar panel drain into the pool plumbing, but have a check valve between the filter and the return -- so it will be on the...

Evaporation is the biggest cause of heat loss. Always keep this in mind when deciding to take the cover off during the day. If it is a warm humid day, you will get more warming on the pool with the cover off. If the humidity is low, or there is wind (wind increases evaporation), you are...

If you are going to have the pool sit for 2 days with no circulation, then yes I would say wait. If you are going to get this clear, you are going to need to make time to get it clear and it will take several days. You may need to be adding liquid chlorine every 2 hours to keep your chlorine...

These things feed on algae, are you sure you do not have low grade problem at this time that allows these insects to thrive? How much chlorine do you lose overnight? What is your CC and FC levels?

I think the problem is you are not keeping chlorine levels high enough and long enough. Get a lot more liquid chlorine or bleach. Shock is not a product or a thing - it is a process. I am getting for your pool with estimated CYA (stabilizer) at 50 you need to keep your chlorine level above 16...

I can't answer all your questions, but here is a couple. You definitely want to oversize your swg, so a 40K version for 25K water is good. Not sure about getting IG device for a big AG pool. The Endure is borates, sodium tetraborate. Borates can help your water look and feel better and does...

I'll be right over. Looks like I don't even need to bring a swimsuit. :lol:

Why black? I would think in PA you would want to get sunlight into that pool to warm it up, not block the light. It is the light getting into the pool, not the black cover warming only a few mm of water at the surface. I just switched from the light blue to clear. Definitely running warmer...

Shock = chlorine Stabilizer = cyanuric acid and this dissolves slowly alkalinity up = baking soda (sodium bicarbonate) The first and foremost important answer is what is your chlorine level. That will be the single biggest indicator when it is safe to swim. The baking soda will have no...

It takes a while for conditioner (CYA) to dissolve, several days. is Your CYA truly zero? If so chlorine level ok to be less, but 0.5 cutting it too low. Get some bleach to support chlorine until CYA above 30 and your chlorine generator can keep up with demand. Watch pH - generator will cause it...

Get the Solar! I have a new pool and have been getting great tips here. I thought I'd make my first post a response rather than a question :) I am just a little south of you in the Carmel Valley/Sorrento Valley area, about 4 miles as the crow flies to the beach. With solar, our pool is still...