The silicone-based care spray by EHEIM is water-neutral, CFC-free, free of solvents and oils and free of environmentally toxic substances. A small investment that can extend the life of your seals.
the special grease and vaseline by EHEIM are also water-neutral and, of course, free from environmental toxic substances. The lubrication should be renewed regularly as both fats are "washed off" by the water.
autoliquid by EHEIM automatic fertilizer supplies your plants with nutrients on a regular basis. Also on vacation. Your aquatic plants get what they need every day. And you can take care of other things.