The United States Environmental Protection Agency recommends a mixture of 1 part lemon juice to 2 parts water for an effective and eco-friendly glass cleaner.
For a streak-free shine, try mixing 1/2 cup lemon juice with 1 cup water and 1 tablespoon white vinegar in a spray bottle.
The National Wildlife Federation suggests using a 1:3 ratio of lemon juice to water for a natural and non-toxic glass cleaner that's gentle on the environment.
The American Chemical Society explains the chemistry behind homemade glass cleaners, recommending a mixture of 1 part lemon juice to 4 parts water for optimal cleaning power.
In this video, a popular cleaning expert demonstrates how to make a homemade glass cleaner using a 1:2 ratio of lemon juice to water, with added essential oils for a fresh scent.
This online tool allows users to input their desired cleaner volume and calculates the optimal ratio of lemon juice to water for a homemade glass cleaner.
Healthline discusses the antimicrobial properties of lemon juice and its effectiveness in homemade cleaning solutions, including a recommended 1:1 ratio of lemon juice to water for glass cleaner.
A study published by the University of Michigan examines the efficacy of homemade glass cleaners, including a lemon juice and water mixture, and provides guidelines for optimal ratios and applications.