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coprolite

(368 posts)

2. The potable water from DC water system

Reply to LeftInTX (Reply #1)

Tue Jun 23, 2026, 07:52 PM

17 hrs ago

like most major metropolitan areas, adds orthophosphate to the water for lead corrosion control. This is added at concentrations that are ideal for algae growth.

This PhD student in algae growth has an interesting opinion on what happened.

Since I did do my PhD in cyanobacteria growth and treatment optimization modeling AND work in the water treatment industry, Iâ€™m gonna share my theory as to whatâ€™s happening here and how to fix it.

People are focusing on the painted bottom of the pool increasing residual heat, and while that 1/19
— Buttons (Ashley) ðŸ´â€â˜ ï¸#OFMDForLifeðŸ´â€â˜ ï¸ ðŸ³ï¸â€ðŸŒˆðŸ¤¡ (@sevensugars.bsky.social) 2026-06-17T17:13:45.979Z

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pat_k LeftInTX

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I wonder if converting back to city water would help? LeftInTX 19 hrs ago #1

The potable water from DC water system coprolite 17 hrs ago #2