how many days until the CYA drops ?

A few days to a week. It works up to 10 days. We have a pool service company and are 2 for 2 on dropping the CYA without draining using this product. You have to follow the directions and make sure the water is balanced correctly and the temperature is all within range. The last pool dropped from over 100 to 80 in 3 days.

How to use this with minimal chlorine without getting algae? In Central Texas and water temp is 76 degrees

I add liquid chlorine to keep the level around 4. I don't get alge at that level. The tablets are good for stability but add too much cyuranic acid if you only use them.

Can you use this in a hot tub?

This product would certainly work in a hot tub as long as all directions and dosages are adhered to according to the instructions. It has worked for many customers, but results can vary depending on unique circumstances.

Does The compound "Dextrose Monohydrate" accomplish the same thing?

I wouldn't think that it would.... adding sugar to the pool won't reduce CYA

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Pool Stabilizer Reducer/Cyanuric Acid Reducer, 8 oz.

Product ID: 317879347

Details

Brand
Bio-Active
Item form
Powder
Item weight
0.5 Pounds
UPC
894267002101

🌿100% natural & non-toxic formula

💧Treats pools up to 25,000 gallons

⚖️Lowers CYA by 50 ppm/treatment

Description

💦 Keep your pool pristine and chlorine-charged — no compromises, just crystal clarity!

COMPACT YET MIGHTY - Just 8 oz. treats large pools, saving space and hassle while keeping your water perfectly balanced.
ECO FRIENDLY SAFE - Non-toxic, allergen-free, and leaves zero residue — pool care that’s kind to you and the planet.
UNLOCK CHLORINE POWER - Eliminate chlorine-lock and restore sanitizer efficiency at the molecular level for crystal-clear water.
VERSATILE POOL COMPATIBILITY - Works seamlessly with chlorine and saltwater pools, residential or commercial, up to 25,000 gallons.
SLASH CYA LEVELS EFFORTLESSLY - Cut cyanuric acid by up to 50 ppm without draining your pool — perfect for drought-smart maintenance.

Bio-Active Products Pool Stabilizer Reducer is an 8 oz. powder that lowers cyanuric acid levels by up to 50 ppm per treatment without draining or dilution. Safe for pools up to 25,000 gallons, it eliminates chlorine-lock to restore sanitizer effectiveness. Made in the USA, it’s 100% natural, non-toxic, and leaves no residue, compatible with all pool types including chlorine and saltwater.

Specifications

ASIN	B00X8DJWWI
Brand Name	Bio-Active Products, Inc.
Customer Reviews	3.4 3.4 out of 5 stars (1,782)
Is Green Purchasing Law Compliant	Yes
Item Form	Powder
Item Type Name	Cyanuric Acid Reducer
Item Weight	227 g
Manufacturer	Bio-Active Products, Inc.
Manufacturer Part Number	BIO-CAR 8
Model Number	BIO-CAR 8
Number of Items	1
Number of Packs	1
Package Size Name	8 oz
Product Benefits	Reduces cyanuric acid levels, eliminates chlorine-lock, allows sanitizers to be more effective, and is non-toxic, non-allergenic, non-polluting with no residue
UPC	894267002101
Unit Count	8 Grams

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