Cracking is an important factor affecting the durability of concrete. Rheological properties are important performance indicators of the workability of fresh concrete. Ion chelator (CA) is one kind of crystalline admixture. which can enhance crack-healing of concrete by promoting the formation of calcium carbonate in wet environment. https://www.bekindtopets.com/quick-offer-Probios-Intelliflora-1-06-oz-special-buy/