Eheim Pond Vac 40 alv then proceed to item 2

then proceed to item 2 “Determining the potassium concentration”

According to our research ratio of Ca: Sr dissolved from  calcium reactors is below normal levels taken out by corals during calcification

Large pore sponge giving bio-mechanical filtration and even water flow-through

29C and 32C

Eheim Pond Vac 40 alv then proceed to item 2The EHEIM vacuum cleaner is specifically designed to gently clean the bottom of the pond. The performance is regulated to ensure the dirt is removed without stirring up the substrate too much. The remains of uneaten food, fish excrement, dead animals, dead plants and garden debris all sink to the bottom of the pond where they rot and form sludge. The decaying fermentation process produces gases and oxygen is removed from the water. For gently cleaning