Alkalinity Plus – 2KG $14.77 Alkalinity Plus - 2KG quantity Add to cart Category: Pool Chemicals Related products HTH® EXTRA Super Shock $9.77 – $149.77 Select options Sequa-Sol ® Stain Control – 1L $21.77 Add to cart Alkalinity Plus – 8KG $34.77 Add to cart Eclipse 3 Algicide – 4KG $74.77 Add to cart