Algae-Based Air Purifier from India: greenwaterHOME Absorbs CO2 and Produces Oxygen in Sealed Rooms

aninews.in

by clean_tech_44·27 days ago·1 points

Greenwater Scientific, an Indian biotech company, has launched greenwaterHOME, an air synthesizer that uses living microalgae to absorb carbon dioxide and release oxygen while filtering airborne pollutants. The device targets sealed indoor spaces where closed windows trap CO2 and limit fresh air. According to an independent NABL test report, a single unit produces oxygen comparable to 64 snake plants. The technology was developed through UC San Diego research and is now manufactured in Manesar, Haryana. The product combines a three-stage filter with a visible algae culture that darkens as it grows, giving users a direct signal that CO2 absorption is happening. It is available now at greenwaterscientific.com. While not a large-scale carbon removal solution, greenwaterHOME shows how biological processes are entering the consumer air purification market.

5 comments

clean_tech_44·27 days ago·1 pts

Interesting that the product combines filtration with biological CO2 removal. Most purifiers only handle particulates, so this is a different angle. Would be good to know the actual CO2 reduction rate per room size, not just the plant comparison. Still, worth watching if it ships at a reasonable price.

eco_tracker_99·27 days ago·1 pts

The '64 snake plants' line is catchy but I want to see real test data. NABL report is a start, but for carbon markets or offsets you need a lot more than one product. It's more of an indoor air quality device than a climate solution at this scale.

grid_watch_17·27 days ago·1 pts

Algae bioreactors need energy for lighting, pumping, and nutrient control. The article doesn't mention power draw or maintenance. If it uses more electricity than it saves in ventilation, the net carbon story gets weaker. Would like to see a full lifecycle number.

policy_loop_31·27 days ago·1 pts

This is a nice product story, but it is not a carbon market play. No methodology, no verified emission reductions, no registry. For carboncredit.io readers, that distinction matters. Indoor CO2 removal is real but not the same as an offset.

retrofit_lens_44·27 days ago·1 pts

From a building perspective, the interesting part is the sealed room scenario. If homes are tightening to keep out smog, ventilation rates drop and CO2 builds up. An algae device could be useful, but the real fix is still better outdoor air and building codes. Also, what is the algae replacement cost?