News Forum - Koh Lan: Azure sea turns green from wastewater-induced phytoplankton bloom

[Thaiger]

In the popular tourist island of Koh Lan off the coast of Pattaya Beach, a startling twist of events made headlines when the placid blue seawater abruptly turned into an unattractive shade of green, as reported by the Department of Marine and Coastal Resources (DMCR). Koh Lan, characterised by its renowned turquoise shoreline, is found … …

The story Koh Lan: Azure sea turns green from wastewater-induced phytoplankton bloom as seen on Thaiger News.

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[Karolyn]

Being plants, phytoplankton thrives by urilizing fertiliser - the sort of stuff called waste water. It's not surprising if the water turned green like that

[HolyCowCm]

Just need a couple of floating brown logs to complete the amazing Thailand circle. That island is a dung heave.

[Pinetree]

When my pool turns green, as they all do on occasions, especially in the rainy season, I treat it with the appropriate chemical, which states quite clearly on the bottle:  'leave for 24 hours until the water is clear, before using the pool' .  Why is this any different? 

[Karolyn]

1 hour ago, Pinetree said:

When my pool turns green, as they all do on occasions, especially in the rainy season, I treat it with the appropriate chemical, which states quite clearly on the bottle:  'leave for 24 hours until the water is clear, before using the pool' .  Why is this any different? 

The same chemicals could damage fauna and flora such as corals, probably? 

[HolyCowCm]

1 hour ago, Pinetree said:

When my pool turns green, as they all do on occasions, especially in the rainy season, I treat it with the appropriate chemical, which states quite clearly on the bottle:  'leave for 24 hours until the water is clear, before using the pool' .  Why is this any different? 

All I know is if my toilet bowl ever turns green then my wife must be not feeling so well as she is slacking off on her cleaning duties, or I perhaps could have eaten way too much spinach the night before..

[Pinetree]

7 minutes ago, Karolyn said:

The same chemicals could damage fauna and flora such as corals, probably? 

Sorry, that was not my point.  My point is, if its green, don't swim in it.  My post was badly phrased. 

[Ramanathan.P]

"DMCR deputy director Apichai Aekwanakul guessed that the significant transferal of wastewater into Koh Lan’s seabed, which has been perpetuated over time, is one of the primary catalysts for the discolouration of the sea"

May be they should consider transferring differet types of wastewater and make it more colourful always, as it also coincides with the captions "Colourful Thailand with Colourful Sea"

[HolyCowCm]

31 minutes ago, Pinetree said:

Sorry, that was not my point.  My point is, if its green, don't swim in it.  My post was badly phrased. 

i got your point

[cowslip]

4 hours ago, Pinetree said:

When my pool turns green, as they all do on occasions, especially in the rainy season, I treat it with the appropriate chemical, which states quite clearly on the bottle:  'leave for 24 hours until the water is clear, before using the pool' .  Why is this any different? 

Seriously??