Forum: Dealing with Alkalinity and Calcium

Ok, i'm a new pool owner (not a new pool). Bought a house with a 14x28 IG pool with vinyl liner, sand filter, heater, and auto-cover. Thpool...

Hi all! Good to see the forum active again. Welcome back Ben, you've been missed. I am in the process of converting my pool to salt. My numbers...

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...

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 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...

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...

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'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

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 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...

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 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...

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...

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...

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...

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 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...

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...

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...

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...

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

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 --...

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

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...

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. ...

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...