Nontoxic Perlite Health effects include possible eye or skin irritations. Inhaling perlite dust could trigger asthma in sensitive individuals (including dogs), and if ingested this is considered practically nontoxic. Call poison centers for treatment advice if large amounts are swallowed.Click to see full answer. Also to know is, is perlite safe for birds?Be aware that soils might be safe for mammals, but may contain materials that are not safe for parrots. There are recipes for making potting soil using peat moss or coconut fiber, perlite or vermiculite, and compost. Also, plant location (more later) can keep a parrot out of the dirt. Mold and fungus are dangerous.Similarly, what is perlite made out of? Perlite is made from a mined volcanic glass of the same name. As a raw material it contains water, trapped by the rapid cooling of lava. The moisture vaporizes explosively when heat is applied. Just so, what is perlite for gardening? Harry is correct that perlite is a form of glass; specifically a volcanic glass that is mined and then heated in big ovens until it ‘pops’ into a round, white material that’s used in seed-starting and potting mixtures to lighten the soil, allow more air around the roots of plants and to both help retain water andIs plant food harmful to dogs?While commercial fertilizers may provide nutrition for plants, they contain harmful chemicals which are toxic to dogs. While even small amounts can cause issues, you want to keep your pet away from fertilizers altogether.