These organic cones are colelcted and imported from rural Indonesia, ensuring they are free of any harmful matter and are thus completely safe for all aquarium inhabitants.
They are suitable for any freshwater aquarium and absolutely loved by fish, especially plecos, corys, angels, discus and apistos, but also by shrimp.
It will not discolor the water and it will not alter pH, but its organic compounds will enhance your substrate over time providing your plants with an abundance of minerals needed for optimal growth.
The photo shown represents a random set of Pinus Cones. As they are all unique you can expect slight variations in shape, size and color.
These arrived a couple of days after I ordered them, earlier than I expected. The bottom feeders love them.