how many tablets in a 50 lb pail?

This product is not a tablet... it is a powder. It is 100% sodium bicarbonate (same thing as baking soda). If you want to raise the alkalinity in your pool you can do it by using baking soda which is much cheaper. A 4 lb. box at Walmart costs about $2.25.

What is the chemical difference between "in the swim" alkalinity up and "in the swim" pH increaser? Big price difference.

alkalinity up is sodium bicarbonate, mainly increases alkalinity and some pH. Important for concrete pools. pH increases is sodium carbonate, a stronger base. Raises pH with little increase in alkalinityy.

How much soda ash should I use

This product is not soda ash. It is sodium bicarbonate, commonly known as baking soda. To increase alkalinity 10 ppm in a 20,000 gallon pool, you would add approximately 3 lbs. of alkalinity increaser or baking soda. (Adjust according to your pool size). Simple baking soda is the same product as alkalinity increaser and can actually be purchased much cheaper (about $2.25 for a 4 lb. box at Walmart). Soda ash will increase both alkalinity and pH.

Can in the pool alkalinity increaser replace spaguard?

Alkalinity increaser is the same product no matter what brand you buy. For an even cheaper solution, just buy regular baking soda (large boxes) at Walmart or Amazon. Compare the labels on alkalinity increaser from the pool store and on regular baking soda..... they are the same..... sodium bicarbonate. I have owned a pool for years and I only use baking soda to increase alkalinity in my pool water when needed.

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In The Swim Alkalinity Increaser for Swimming Pools - 25 Pounds | 100% Sodium Bicarbonate - Raises Alkalinity and Balances pH Levels in your Swimming Pool Water

In The Swim Alkalinity Increaser for Swimming Pools - 25 Pounds | 100% Sodium Bicarbonate - Raises Alkalinity and Balances pH Levels in your Swimming Pool Water

Product ID: 3575839

Details

Brand
In The Swim
Item Form
Granular
Item Weight
27 pounds
Product Benefits
Protects Skin
UPC
803354120857

🧪100% pure sodium bicarbonate formula

⚖️Maintains alkalinity at 90-120 ppm

🌡️Prevents pH swings in hot weather

€ 307.76

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Description

💧 Elevate Your Pool Game with Perfect pH Balance!

TRUSTED BY THOUSANDS - Join over 2,400 happy customers who rate it 4.7 stars for reliable pool care.
SUMMER READY REFRESHMENT - Maintain refreshing, swim-ready water even during the hottest days.
EFFORTLESS PRECISION DOSING - Add just 1.5 lbs per 10,000 gallons to raise alkalinity by 10 ppm—simple and effective.
STABLE POOL CHEMISTRY ALWAYS - Keep your pool’s pH and chlorine perfectly balanced for a crystal-clear swim.
SAY GOODBYE TO SKIN EYE IRRITATIONS - Avoid stinging eyes and skin rashes with optimal alkalinity control.

In The Swim Alkalinity Increaser is a 25-pound granular sodium bicarbonate product designed to stabilize pool alkalinity between 90-120 ppm, preventing pH fluctuations that cause skin irritation and eye discomfort. Trusted by thousands, it ensures balanced water chemistry and refreshing swims all season long.

Specifications

ASIN	B002WKF9CA
Best Sellers Rank	#1,802 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #16 in Swimming Pool Balancers
Brand Name	In The Swim
Customer Reviews	4.7 4.7 out of 5 stars (2,482)
Item Form	Granular
Item Weight	27 pounds
Manufacturer	In The Swim Discount Pool Supplies
Manufacturer Part Number	Y7320
Model Number	Y7320
Number of Items	1
Number of Packs	1
Package Size Name	25 Pound
Product Benefits	Protects Against Skin Irritation
UPC	803354120857
Unit Count	400 Ounce

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€ 307.76

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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