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I like the idea that the maven can test 2 different systems. Looks like it wastes the effluent so I don't think there is a chance of cross contamination. Would be nice to add the quarantine system in the auto test loop. I see the SPA has some inconsistency with NO3. NO3 has been pretty mixed...

It's not out yet. Nice review of pre-production here

I will definitely buy the Mavin. I'm fully bought in on the hydros system. Everything has been really reliable besides the wifi outlets and the X10/IV alk test. I currently have the mastertronic which I wouldn't mind swapping for the Mavin, plus I'm thinking if the mastertronic is still working...

Just the tubing in the pump heads. The rest of it I would base on inspection. If nothing's growing in it don't replace. The intake filter I would change pretty often (like 2 months), just depends on how much sponge and other junk grows in the sump

It doesn't need much once setup. About ever 8 weeks it asks to calibrate. Change tubing yearly or so if you are doing 2x day testing. New pH probe 1-2 years.

When I was using it I would use a 1L graduated cylinder. 200 ml of solution 800 rodi. I also weighed it a few times. I found from bottle to bottle there was some difference and just mixed it. Ran tests for a few days then tested with hanna and made correction. I didn't think the absolute value...

https://www.reef2reef.com/threads/diy-alkatronic-reagent.639360/post-6714329 That thread on r2r has some info on diy reagents. I used to use some stuff off Amazon but it weren't to the same price as coralvue. So I have mostly used muriatic acid for the last couple years. A lifetime supply is...

Thanks for doing this experiment. I kind of run the moonshiners but mix my own elements and do a lot of water changes to remove detritus. I have used the Triton and oceamo (both icp and icp/ms). For the most part the corrections seem within range. In that I might do Triton one quarter, make...

I would like one

Yes I have 2 quarantines and the main system is a couple of aquariums with lots of automation. My hope was to be able to go a couple weeks without monitoring occasionally.

I have fully bought into the hydros. And for the most part like it. 3 x8 power strips 3 x4s 2 x2s X10 + IV Wave LE Many wifi strips. The wifi strips were pretty unreliable but that's due to living in a condo with 100 other networks around. The X10 I have worked with coralvue and their forum...

I really liked using it for big triggers. Gives them sometime to do. Move all the substrate to one side then move it to the other.

Yeah at $650 it's worth a shot. I see most people have better luck with the alkatronic than I did. I probably would have fixed mine but my place is really small and the unit makes to much noise.

You can see the ic on the upper left fried. If you are into fixing electronics and want to try the alkatronic you could have mine broken unit.

I have an alkatronic and mastertronic with hydros x10 and IV. The alkatronic worked for a bit over a year. Then one of the chips on the main board fried. I may fix it some day. The board is like $500. I did buy the ic off Ali for less than $1 but turned out to be the wrong one. Anyway the...

It does seem they use bio-bale, balls, k2,etc. I would avoid using sponge just seems like something looser would avoid detritus build up.

Following. Are you going to use the bio-bale? I was thinking it probably doesn't matter much as the mixing mostly happens at the point of aspiration.

My fish are really picky in cycles. They will eat about anything but not if it is fed continuously. They have eaten every brand of nori from lsf, Asian markets, brs. But they have decided they are not eating every brand on some days. Same with flakes pellets and frozen. Now I have 10-20 brands...

I vote the reef octo as well. For 200+ I would go with any of the units with the VarioS 6 pump. Personally I would go with one of the units that is in sump but the pump is outside the body, like the elite 220 int, or Regal 300 int. Way easier to clean the pump if you have the sump space. Get the...

Wasn't he hitting the YouTube circuit a couple years ago promoting potassium hydroxide to elevate pH?