Guess what eats the nitrogen before the mollusks filter and remove it from the water? Mollusks cannot incorporate nitrates unless it is “fixed” by PLANTS (phytoplankton aka “algae”) first. The algae remove the nitrogen from the water, the mollusks remove the algae. Try again...
You can eat them if you want. I wouldn’t stop you. You have to live with the consequences of your actions. That’s not the issue.
God told us in Deut 14 to not eat them, so we shouldn’t eat them and I won’t eat them.
They exist to clean up the water.
It’s not risk free food.
HEALTH
Energy: mollusks are bad for / increase the risk of memory loss from PBCs, sickness from bacterial contamination, seafood is the number one cause of food poisoning in the United States, which leads to many side effects and causes extreme discomfort, high levels of mercury can lead to depression and anxiety
Longevity: mollusks are bad for / increase the risk of toxic chemicals known to cause cancer and brain degeneration, toxic contaminants and heavy metals from polluted water habitats, PBCs may cause liver damage, nervous system disorders, and fetal damage, dioxins, also linked to cancer and death, radioactive substances like strontium 90 and other dangerous contaminants like cadmium, mercury poisoning, lead, chromium, and arsenic, which can cause health problems such as kidney damage, impaired mental development and cancer, high levels of mercury can lead to Alzheimer’s, Parkinson’s, autism, mercury exposure can also lead to high blood pressure, an increased risk of heart attacks and higher LDL (bad) cholesterol
https://www.healabel.com/mollusks-side-effects/