It works by electronic copper ionisation of the water, which in turn controls & kills the blanket weed with staggering results in 2
- 4 weeks! The New I-Tronic from Veldaeliminates the need for any liquid or powder remedies. The I-tronic once installed, is cheap to run with only the electrode needing to be replacing annually (depending on how often it is used). The Itronic 15 is suitable for ponds from 3000 up to 15000 litres. Note: Copper ions are safe for fish but fatal for molluscs. Also unit should not be run at the same time if salt treatments are being used.