Long-term toxicity to aquatic invertebrates Toxicity decreased with increasing pH Aluminium toxicity was reduced at high pH, but a larger reduction was observed when changing pH from 6 to 7 than from 7 to 8.  https://echa.europa.eu/registration-dossier/-/registered-dossier/15529/6/2/5 Literature Review: Six long-term chronic toxicity studies to two species of aquatic invertebrates(Ceriodaphnia dubia and Daphnia magna) were identified as acceptable studies. … Continue reading Aluminium Toxicity pH Variable