Ocean Saver EcoDrops are concentrated, plant based, non toxic cleaning refills that turn into a liquid cleaner when added to water. The fully biodegradable drops are lab tested and super simple to use: add one drop to an empty trigger bottle, fill with water and shake. Don't throw away old cleaning bottles, reuse them with the drops. Multi-purpose, anti-bac, glass, bathroom descaler and daily shower spray, plus dishwasher tablets.