HTH Alkalinity Up Pool Treatment 1kg

The HTH Alkalinity Up Pool Treatment 1kg is a granular sodium bicarbonate-based chemical used to increase the total alkalinity of swimming pool water. It acts as a primary buffer, preventing rapid pH fluctuations and protecting mechanical equipment from acidic corrosion. This treatment ensures long-term water stability and improves the overall efficiency of chlorine sanitisers in residential pools.

Ideal Use and Performance

• • pH Buffering: Effectively stabilises the water chemistry to keep total alkalinity within the recommended range of 80 to 120 ppm, preventing "pH bounce."
• • Equipment Longevity: Prevents corrosive water conditions that cause etching on pool plaster and the premature rusting of metal ladders and pump components.
• • Compatibility: This formula is safe for use across all pool linings, including concrete, fibreglass, and vinyl, and works with chlorine or salt-water systems.
• • Rapid Dissolution: The fine granular texture is designed to dissolve quickly in water, leaving no chalky residue on the pool floor when applied correctly.

Safety Precautions

• • Metal Protection: If your water contains heavy metals, it is advised to add a metal remover before adjusting alkalinity to prevent potential surface staining.
• • Handling: Wear suitable protective gloves and eye protection; avoid breathing in the chemical dust when opening the 1kg container.
• • Storage: Keep the product in a cool, dry place and ensure the lid is tightly sealed to protect the hygroscopic granules from moisture.
• • Application Site: Do not pour the granules directly into the skimmer or weir; instead, add to a single spot at the deep end with the pump turned off.

Frequently Asked Questions

• • How much should I add to my pool? As a baseline for a 50,000-litre pool, 1kg of HTH Alkalinity Up will raise the total alkalinity by approximately 10 ppm.
• • Does it raise the pH as well? Yes, sodium bicarbonate will slightly raise your pH level, but its primary function is to increase and lock in the alkalinity.
• • How long must the pump be off during application? After adding the product to the deep end, leave the pump off for 15 minutes before restarting to allow the chemical to settle and react.
• • When can I re-test the water? For an accurate reading, wait at least 12 hours after application before testing the alkalinity levels again.

Clever Hack for pools

• • To save money on balancing chemicals, use "The Deep End Method": pour your Alkalinity Up in one concentrated pile at the deep end with the pump off. This forces the chemical to react with the water volume more intensely, raising the alkalinity more effectively than scattering it across the surface.