Forum: Dealing with Alkalinity and Calcium

I have very hard water and when I add water to the pool it raises the Calcium hardness significant (greater than 800ppm). The water gets cloudy. ...

------- 2018 - Do NOT use this process without talking to me (PoolDoc) first -------- ---------- If you are unable to reach me, try an...

OK you experts, should have come here first but..... Now that Im broke after spending over $200.00 to get this hole in the ground open let me tell...

ive read here that borax should be added to the skimmer, but broadcasting seems to never be mentioned. im curious as to why it gets added through the...

Hi, I have a concrete indoor pool with a coverstar electric cover. I have been battling with pool water chem for several months now. My PH is...

First time in over 20 years and I have white gritty deposits all over the bottom of my vinyl liner. 16x32 above ground with a 7 foot deepend. ...

Hello. Been a reader here for years but this is my first post. I have a tan colored stain/scale on the bottom of my in ground 25,000 gal. vinyl pool....

I finally have my new testing kit (K-2006C), and I am enjoying revisiting basic high school chemistry labs. Most of my numbers are good (see below)...

I noticed a previous post about this, but it was an igp, mine is an agp. I have no idea how to deal with it. The pool store gave me some scale...

Need a little help with this one because I've never seen this before. My neighbor opened his pool yesterday (24K gal vinyl IG pool, Chlorine)....

After I got my pool up and running, it was time to drop the Alkalinity numbers. I read the instructions here on how to do that with acid and...

Hi All! I really hope this is an easily answered question...My hubby took off our cover this past Wed. night, we planned on doing this on the...

I have a 20,000 gallon inground liner pool with a SWG, we opened it this year to find hard deposits on the bottom of the liner in the corners, which...

Vinyl liner, ph 7.0, alkalinity 60, chlorine 8.0, I don't know what cya is or how to test for it. Anyways, every year, my alkalinity goes off the...

I have an inground pool in Florida. It has an Aqua-Rite Chlorinator, and solar heater. The pool is about 7 years old and has not be much of a...

Is there a household chemical I can use to increase water hardness?

Hi, I'm new to the forum! :) I have a new pool and I'm a little confused about this issue. I had my water tested today and was told I had a high PH,...

what role does "hardness" play in the overall balancing of a pool?

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 understand by reading on the forum that calcium hardness doesnt matter on an AG vinyl pool, but can really low CH cause any damage to my heater? ...

For all of you out there that need on the order of 50+ lbs of baking soda a year.... Try your local Farmer's Co-Op. They use sodium bicarb as a...

I've tried searching this one and have found very little information on it anywhere...I did see one post at Troublefreepool.com that talked about it...

Hi everyone, My calcium number now has hit 500, and I've noticed that I had to clean my cell more often on my SWG. When the value was around...

I bought a house three years ago with an older in-ground pool so I am a relative newcomer. I consistantly have a problem keeping the ALK in the...

I hope this is the correct place for this inquiry! I have a 3 year old used AG pool we just erected. It came with a white plastic ladder that lifts...

I added Calcium + and Alkalinity + to my pool too close together and now my pool is very cloudy. How do I disolve the cloud?

Hello! I've been reading these forums for quite some time now and I'd like to say they have been extremely helpful! I am a new pool owner; my...

Anyone know if it's possible to filter out high calcium with a whole house filter ?

newbie here. I have a 0 reading for calcium. I have a 16,500 inground vinyl. I read that it can cause pitting on the concrete deck. My deck as pitted...

My total alkalinity is about 22o ppm PH is 7.4 cyanuric acid is about 10-15 ppm total hardness is 100 ppm free chlorine is 3 ppm . should I lower...