Just finished my latest project. Built a waterpurifier from a variety of ex RO bits. Bought plumbing connections locally and made the mounting bracket myself. It's a 3 pod with with string pre-filter in #1. a carbon block in #2 and a metal removing carbon composite in #3. The purifier filters down to 0.5 micron. I reckon I saved in the region of £120 on the quote from a reputable specialist firm My fish will be trying it out 2morrow. Mac.
Just finished my latest project. 
Built a waterpurifier from a variety of ex RO bits. Bought plumbing connections locally and made the mounting bracket myself. It's a 3 pod with with string pre-filter in #1. a carbon block in #2 and a metal removing carbon composite in #3. The purifier filters down to 0.5 micron. I reckon I saved in the region of £120 on the quote from a reputable specialist firm 
