Terrabrae - The gardener’s secret for success! Nothing could be easier for strong, healthy plants. Easy to use and versatile, TERRABRAE® can be used both indoors and outdoors. TERRABRAE® can even be used with seedlings for a head start on your garden. TERRABRAE® is an eggshell soil enhancer. Calcium and minerals found in eggshells absorb into plant roots, making them strong and help prevent blossom end-rot and brown leave tips. It also helps to balance soil pH level. Calcium and minerals found in eggshells absorb into plant roots, making them strong and help prevent blossom end rot and brown leaf tips. Terrabrae also helps to balance soil PH levels.