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Yes, welcome to the buyer's regret club. He RedSea Reefrun return pumps are OEM'd pumps from Sicce. When I sent RedSea customer service a video with sound of the Reefrun running they said the loud hum was the pump operating normally! Needless to say I will avoid both RedSea and Sicce pumps going forward.my setup is 425 XL with all stuff (don't use skimmer, just reefmat) from RS but after 3 days i had enough and had to buy new return pump because RS 7000 DC was very loud.
I've got refund and bought Maxspect Jump MJ-DC8K which is dead silent on 10th level of 20.
With RSrun on 10% it was nightmare.
it's shame that big company like RS selling not tested product especially they advertise like "Apple" with high end products.
Rest of products like: reefato, aquarium, reefwave, reefmat etc are great but NOT return pump.
Maybe these are "childhood" problems and we have to wait for a new batch of pumps from the factory.
Check that video https://static.gulios.com/redsea/pompa.MOV
From my experience all Sicce pumps hum…Yes, welcome to the buyer's regret club. He RedSea Reefrun return pumps are OEM'd pumps from Sicce. When I sent RedSea customer service a video with sound of the Reefrun running they said the loud hum was the pump operating normally! Needless to say I will avoid both RedSea and Sicce pumps going forward.
I feel your pain. I started the hobby by buying three Sicce pumps. Other than the Sicce Zero utility pump I cannot recommend any of the others due to the not silent operation. The Sicce Zero I only use to mix salt and move water. For those uses I don't mind the noise.From my experience all Sicce pumps hum…
There are users that don’t mind the hum so I am assuming some of us are just sensitive. I have collection of few Sicce pumps and I am not experimenting any more.
Same with me, I don’t understand how the Sicce based pump are considered silent…Right now Maxspect Jump is light years ahead of RS pumps