Great results can be seen in a matters of days, especially with redleaf plants. Dosage eSHa Crypto-Plus:standard dosage: weekly 20 drops on 100 litres of water..https://www.aquaristikshop.com/aquaristic/eSHa-Crypto-Plus/227019/
- Linda W. wrote about eSHa Crypto-Plus in 2016:
Haven't used it as a cure, just adding a few drops in my daily nutritient "witches brew". Especially the red colored plants appreciate this.