True about Ringer's Lactate -
Ringer's lactate solution (RL), also known as sodium lactate solution and Hamann's solution, is a mixture of sodium chloride, sodium lactate, potassium chloride, and calcium chloride in water. It is an isotonic solution .it is used for replacing fluids and electrolytes in those who have low blood volume or low blood pressure.It may also be used to treat metabolic acidosis and to wash the eye following a chemical burn. It is given by injection into a vein or applied to the affected area Ref Davidson 23rd edition pg 370
Isotonic
Colloidal solution
Potassium level is same as that of serum potassium
Helps in acidosis by acid neutralization
Fluid and electrolytes