Näringsämnes bearbetning & hur luftning hjälper
10 februari, 2016
An aeration device will add oxygen to the pond and mix the pond water making sure there is oxygen for the decomposition process that results in a nutrient influx.
10 februari, 2016
An aeration device will add oxygen to the pond and mix the pond water making sure there is oxygen for the decomposition process that results in a nutrient influx.