(23-09-2018, 09:42 AM)Viteran Wrote: Charles, been following with interest as just replacing top hose connector.I reverse flushed the system anyway but interested in using flomasta product, I assume you used it at 25%
DS3 is granular and mixed at 1kg to 10 litres of water, like kettle descaler.
I know nothing about Flomasta products.
If you want to remove rust and harder baked on crud look up Fernox DS40. Expensive and more complex to use but good at cleaning.
Charles