Eggcrate and Phosphate

[ZoWhat]

Learned on a webcast the long exposure of egg crates can leech out Phosphates....

Why is that?

I thought eggcrates were just petroleum-based plastic...... now im.being told it could be a source of PO4 being over 0.1ppm

Crazy talk.


.

 

[Supa]

Lots of plastics leach phosphates

 

[Supa]

Particularly number 1 and 7 from what I’m seeing

 

[Miami Reef]

Will the eggcrate permanently leach phosphates? Or is it like rocks that have a finite amount of phosphates?

@Randy Holmes-Farley

 

[Supa]

I found this on the web ……

“Many plastics leach phosphates because the plasticizers used to make them are Organophosphate Basedorganophosphate based. Remember, pure H2O is known as the Universal Solvent It's real easy to prove this to yourself if you have a colorimeter. Test some RO/DI water coming straight from the filter to ensure zero phosphate. Let it sit in the bucket or trash can of choice. Wait several hours. Use the colorimeter on the water in the bucket. You will have a reading of phosphates.”

 

[Supa]

Most eggcrate is made from Plastic #1 so yea I would say it could/will leach some phosphates slowly(how much I have no clue)