âCode Redâ âCode Blueâ, âCode Blackââ¦people sometimes wonder what these terms mean if they happen to hear them used in a hospital (or more likely, hear them used on a TV series about doctors).his Site Might Help You. RE: what do the hospital color codes mean? Are they generally the same in every hospital? for instance, in our local hospital I have heard the colors; pink, brown, gray, white, yellow, red, and of course, blue.
Re-Use Waste from Reverse Osmosis (RO) Filter. Many of us use Reverse Osmosis Filters (RO filters) to purify Drinking Water, in areas with high TDS (Total Dissolved Salts) content in the Water. Around 75% of the Water fed into a RO filter, is wasted. Only 25% gets extracted as drinking Water.
Taste-and Odor-Causing Contaminants: If your water smells or tastes bad, there's little doubt that you would benefit from a water filter. Municipal water often smells of chlorine, which is used to treat the water.Well water, which is dependent upon many local conditions affecting the water supply, also may smell bad.hese filters are small and very easy to install and remove. Also, they filter the water at the point of use. But they are a highly visible attachment to your faucet. Compared to more expensive and versatile undersink filters, they provide limited filtration.