Convenient ready to drink solutions have the advantage that there is no error in mixing. 250ml bottles are easily portable in lunch boxes and on the go. Hydralyte Ready to use Electrolyte solution is suitable for the entire family, including babies, pregnant and breastfeeding mothers. TIP: When administering Hydralyte Ready to use Electrolyte solution to babies and infants, pour Hydralyte directly into a sterilised baby bottle or sippy cup. Alternatively, use a small dosage syringe to administer the solution directly into the mouth.