Which granule chlorine to use

Justadba

Active member
Mar 28, 2020
26
McKinney Texas
Pool Size
25000
Surface
Plaster
I typically buy Leslie’s Power Powder 70. It’s 70% Calcium Hypochlorite. Price has jumped to over $400. Thought I’d save some money and picked up some SodiumDichloro -s-Triazinetrione Hydrated

Pool has stayed cloudy since the switch. Was/am having issue that algae seems to build up quickly. Yes, it has been hot here in north Texas, but y chlorine leve is well above recommended

Any suggestions, comments, ideas. Thanks in advance
 
Neither are good choices for a clear pool. Cal Hypo has chronic cloudiness associated with it and dichlor will load that pool FAST with too much CYA.

Without current test results, It's hard to say but you may very well be overloaded with both CYA and Calcium right now.

Salt Water Generators are rapidly emerging as the best solution.
 
Neither are good choices for a clear pool. Cal Hypo has chronic cloudiness associated with it and dichlor will load that pool FAST with too much CYA.

Without current test results, It's hard to say but you may very well be overloaded with both CYA and Calcium right now.

Salt Water Generators are rapidly emerging as the best solution.
Thanks for the quick reply. Not looking to spend $$$ to switch to Salt. 76 and not sure how much longer we’ll stay in this house. Been retired 8 years and will eventually downsize. Always had pretty good luck with Leslie’s power powder, but jeez, that stuff went up close to $100 since last time I bought it. Was looking to save money 😬😬

Had similar issue last year and wound up replacing filters really helped. Guess maybe a new set of filters in my future

Again, thanks
 
Hey neighbor. Powdered and solid chlorine (pucks) always have chlorine + an extra ingredient to make it solid. Those extra ingredients build up in your pool and cause issues down the road since the chlorine gets used up but the extra ingredient remains.

With Cal Hypo, the extra ingredient is calcium. While your pool needs some calcium, too much will lead to white calcium scaling typically along the tile.

The same goes for trichlor which is typically puck form. The extra ingredient there is CYA (stabilizer) which can also build up in your pool and cause you to need more and more chlorine to properly sanitize your pool.

The best answer is liquid chlorine since that adds only chlorine. It is not as convenient, but much better for day to day chlorination. Then you can save the solid form of chlorine for times like vacations when you cannot add chlorine on a daily basis.

Lastly, we are in a great area with lots of good options for pool chemicals. Walmart, Home Depot, Lowes, etc. all carry the pool chemicals for much cheaper, plus you can avoid having to talk to the "experts" at Leslies who will try to push unnecessary chemicals. Phosphate remover is their favorite gimmick, but they will push all sorts of flocculants, clarifiers, etc. that are not needed in a properly chlorinated pool.
 
Just an update

Returned the SDT to Sam’s. Bought calcium hypochlorite at Leslie’s. Pitched in three scoops, circulated all night and Dang the pool is clear. Still need to maybe brush it down and clean filters. Spending the extra $100 plus well worth it

Again, thanks for the suggestions and comments
 
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