The Quietest pump ive come across, ran it weekly over the Winter in 2024, so up to now its reliable as well. Liked it that much ive purchased another just in case, as it was on offer.
A note regarding the instructions.
You says, the hose should be cutten into 5 parts. However, there should be 6 parts, so it should be 10 cm longer.
1 tank connection, 2 filters, 2 pumps, 1 heater = 6 😊