Forum: Dealing with Alkalinity and Calcium

Is there a "grocery store" source for adding calcium?

Last fall I closed the pool the way I normally do with my chemistry the way I wanted it. Unfortunately, my wife decided to pump the water off the...

I have an 18', 8000 gal Opera fiberglass above ground pool, this is the 4th year. It has been cloudy for about a month now. Have 4 step ladder and...

We have a 18x48 frame set intex pool. It holds about 5,580 gallons of water. We just filled it with water May 30. We have been adding muriatic...

I am still trying to get my alkalinity down. I have an above ground pool (about 5500 gallons) 18X48. My alkalinity readings are still around 280. ...

If this doesn't get moved to the right place, when I can post to the right place, it'll look like this: I have soft water, so my hardness is often...

I've been seeing a lot about how to substitute expensive pool store stuff with things like grass clippings and paper (j/k) but the one thing I do...

Opened pool last Friday and treated successfully the "swamp". Taylor kit numbers for pool condition yesterday morning: CYA 60 TA 140 pH 7.9...

Carl posted a very good explanation of why the process recommended here on the forum works to lower alkalinity. It is a very good post --...

I was speaking with someone at the local Ace Hardware pool department today who was very inpressed with my knowledge of pool chemsitry and...

Hey all, Can someone please! explain to me why one would still need calcium in a liner pool with either a heater or SWCG?:confused: As long as...

Drained pool 3 weeks ago because of streaks of what might be calcium. They would flake off with a scraper & dissolve. Had the entire pool buffed and...

17' x 48" summer escapes pool , do i need calcium hardness in pool or is pool supplt store tring to sell me something that is not needed for pool. I...

I have an above ground pool and my alkalinity is 179. I have about 12,000 of water in the pool. I don't have a heater. I just left my local pool...

I thought I'd repost the Alkalinity FAQ that PoolDoc had posted in this area of the old Forum, since I happen to have it saved: #1109, "Alkalinity...

I am retired and had a pool (gunite) and spa built this spring for my wife and I and we have been enjoying it immensely. It is a small freshwater...

Can anyone find the percentages of Calcuim Chloride/Sodium Chloride in this? If my plaster repairs go well I'll be refilling SW pool and might need...

Yikes, I pulled open a corner of my pool cover off and took a sample to quickly test PH and TA from my 23K G gunite and was shocked to see my TA test...

I am new to learning about pools and am trying to get the constant algae out of my pool. Last weak in trying to learn about my pool I found the PS...

3yo IG gunite, swg, exposed aggregate, 17,000 gal 1.5hp Hayward 2sp pump, w/cartridge filter & solar heating; non functional ozonator. From this...

I have a gunite 28,000 gallon pool which is completely cloudy after being shocked and I cannot see the bottom of the shallow end. All of the algae is...

Just a recap of the knowledge I picked up from many a posts: My pool: 20300 gal AG w/ SWG water is clean and clear CYA - 80 pH - 7.8 FC -...

I'm asking this for another person who has a concrete pool, and the pool stores have had her chasing her tail w/ chemistry. Sound familiar. LOL ...

Test results Cl= 5 oto test pH=7.2 alk= 90 cya= n/a ca=didn't test, vinyl liner water temp= 72f 21,000 gal pool

I have a 25,000 gallon gunite pool. Based on my first real test results (FC 3.6, CC 0.2, Ph 7.2, CYA 50-60, Calcium 140, TA 80) and advice from the...

I have been working on raising my calcium levels from 120 to a targte of 250, all done using cal-hypo. So far I have added seven (7) 1 lb. bags of...

I don't test my Calcium very often and when I did today it barely turned a pink cast. More of a clear with pint tint. So I never did really get a...

Hi all The Calcium level in my 10,000 gal. A.G. vinyl pool measured at 30 this am. Is this OK? I looked at last year's records, and it ran around...

Inground gunite pool was painted 4 years ago. I am fighting the chalkies(cloudy water). Can I increase the calcium hardness to cut down on the...

Hi all! First I would like to thank you all for the vast amount of knowledge shared on this board. Here's my question: I have a 15x26 oval...