Brown algae, especially kelp, are used to extract another gel-forming product called algin. Algin absorbs water to make gels and thick solutions and can be found in ice creams and dry baking mixes.

Blue-green algae isn't even algae; it's cyanobacteria. Here are other facts about it and the toxin microcystin. Click here for important updates to our privacy policy.

Brown pigments mask the green colour of the chlorophyll. Most of the species occur in temperate regions. The plants vary from very small thread-like algae to giants of more than 50 metres in length.

The Kansas Department of Health and Environment has added nine more lakes to its blue-green algae advisory list.

Blue-green algae, which can be highly toxic to humans and animals, can be present year-round but it’s much more likely in the summer months for a variety of reasons.

The Kansas Department of Health and Environment (KDHE) and the Kansas Department of Wildlife and Parks (KDWP) have issued a public health advisory due to blue-green algae.

The blue-green algae watch at Pony Creek Lake in Brown County has been lifted. Advisories are lifted when cell densities and toxin concentrations dissipate to levels below the Watch thresholds.

Brown pigments mask the green colour of the chlorophyll. Most of the species occur in temperate regions. The plants vary from very small thread-like algae to giants of more than 50 metres in length.