drinking-water
Reverse Osmosis Slow in Winter? Cold Water Checks First
Cold feedwater can slow an RO system without proving its membrane has failed. Separate winter refill changes from faucet, tank, and pressure problems.
Blog
-
-
drinking water
Remineralized RO Water TDS: What the Reading Means
Remineralized RO water TDS can look higher after minerals are added back. Learn what the reading means, what it misses, and when to test more at home.
-
drinking-water
Nanoplastics in Drinking Water: What 2024 Research Reveals
New research finds 240,000 plastic particles per liter of bottled water, most nanoplastic. Here's what it means for tap water and how to filter them out.
-
drinking water
Does RO Filtration Reduce Microplastics in Drinking Water?
Microplastics are showing up in tap water worldwide. Here's what RO filtration actually does — and which RKIN systems filter down to 0.0001 microns.
