I want to make a cave with PVC pipe, is it aquarium safe?
As far as i have researched yes - I made one for my betta
I've seen it used many times.. Also pvc is often used for carrying drinkinf water so there should be no chance it can leach chemicals E. C. T
I have kept both freshwater and saltwater aquariums. Some of the saltwater aquariums contained sensitives organisms such as corals, anemones and clams. I used PVC piping for all the required piping. You do need to make sure that any PVC solvents and glues used to connect the piping and fittings is fully cured before use. Allowing 24 hours cure time should be more than sufficient.