All koi have ammonia in the excretions, and a build up of ammonia can kill any fish. Bacteria that are present in a biological filter change the ammonia and nitrates in the pond water to nitrites, which are safe for koi. Your filtrationemail database australia system will also need a pump. You have two choices of what type of pump to place in your koi pond. The types of pumps available are – Submersible Recirculating The submersible pump is a good choice for a smaller pond. If your pond will feature a waterfall, a submersible pump can be used to handle the volume of the waterfall alone.
is usually what is used for good-sized ponds. They are sturdy and efficient, and most will serve you for a long time. AERATION Your Koi need oxygen to breathe, just like you. Aeration places oxygen in the water so that the fish can breathe it in through their gills. If there is no aeration, there will be no oxygen, and the fish will die. If you are keeping too many koi in a small pond, or if there is an overgrowth of algae, oxygen levels are rapidly depleted.
Waterfalls You have probably seen koi ponds that feature a beautiful waterfall. Pretty as it is to look at and to hear, that waterfall is not there for looks only. The constantly moving water helps to aerate the pond. If a waterfall is not for you, plan to purchase an air pump. This, along with one of the pond accessories that bubbles, can help you to get oxygen into your koi pond.