On the magnet. It looks like the same material as the 3k. The magnet on the 3k is exposed to water. Been in my tank almost a year with zero issues on the magnet. I havent read of any issues with it either.
Also WOW, they send you alot of extra bits. The 3k only comes with maybe 1/3 of those extras, if that much.
With the 3k, if it gets air trapped in it then it whines some. If it gets time to clean it then it whines some. Mine took 3-4 weeks to break in. Before that the whine was kinda loud in my quiet room. Now I dont hear it unless it needs attention. I run mine at 40% random mode. So its speed changing all the time.
thanks for mentioning the magnet is the same. makes me feel a little bit better about putting it in the tank. im glad they supplied all the extras. honestly thats my biggest fault with these pumps is the need for the replacement parts. and coming from coralvue 7 dollar shipping for 3 dollars worth of new bushings dosent sit very well with me and my wallet. just last week I spent 60 dollars on replacement parts for my maxspect gyre. and those parts will either last until the pump Dies of natural causes, or it might find itself a new home lol.
I have settled on random mode topping out around 40% power. which is a tad much but it shouldn't stay at top speed for long so we will see how it goes.
what I would like is to put it in alternating gyre mode. but from what I can see there is no random setting for it. it will just switch from top forward speed you set to top reverse speed that you set.
I would like to see the pump moving in random speeds in a back and forth motion. but I havent figured that out yet.
the manual makes note of having many variable in all the modes to control. but dosent seem to instruct on how to access them within the modes.
under random it very clearly states you can set a min and a max. but when programming it the only option it lets you adjust is max.
setting 20%-40% to me would be more helpful than 10-40% and im sure others with larger tanks would see the benefit of that as well.
Also to note. im pretty sure the 3k has a slot on the controller to update firmware as it is released? or maybe thats the new maxspect models.
this controller does not have that option. so it would seem the software as is, is what we get and that's it.
another point to note. and it might just be me being picky. the viewing angle on the controller is terrible. you have to be dead on eye level to see anything on the display.
which granted I am not looking at it often but it means being mounted on my cabinet door I have to crouch down/sit on the floor to do any adjusting to it. its not a simple glancing down and hitting some buttons.
more info to come as it comes to me.