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FYI I am using the old version of the brain and energy bar. The energy bar has a blinking yellow light now but the brain has a solid green light.

My old Aqua controller will not turn on after I did a restart, and noticed it remained at a blank but lighted screen. I then unplugged it from the brain and plug back in. But now it will not turn on at all. Is there a start button or a way to reset it? Refer to attached photo. Can I still...

Scott, where are u located?

In market for a dry/wet vac for cleaning sump etc. Any recommendations? How do you feel about following vac that fots on top of 5 gallon bucket? Does it seal water well? Enough suction power...

Thanks though I can't see the post. Lapsed on my supporting membership since I picked up and spent most of my time in scuba diving a year ago. I think I am going to go ahead with RO CR220.

Old reactor's manifold broke with replacement parts costing $160. So thinking to buy a new one instead. Thinking GEO624 or RO Varios CR220. Any thoughts and recommendations? If buying from Bulk Reef Supply, anybody knows a way to get some discount? Tank is 150 gallon plus ~30 gallon sump...

Ah, I thought it should shut off right away when reservoir is dry. Pump ran about 1-2 min dry this morning. I guess no issue then. Thanks!

ATO pump will keep running despite ATO reservoir has no water. Adujusted the pump to perfectly vertical position, still keep running. How do I root cause which part failed? Thanks guys!

I use the following tubing (part number AY242012) for my MasterFlex L/S series Peristaltic pump. https://www.usplastic.com/catalog/item.aspx?itemid=25400 At $3~4/foot, it is quite economical compared to MasterFlex tubing. But it seems new tubing sitting for 2~ 3 years will lose its...

Glad to report that after I disassembled the impeller and did a thorough cleanup, it works again! The pump was stuck by the gunk buildup from salt sediments over the last 5 years.

i have been using an old Custom Seal model 77840 pump for water change. It is connected to a 40 gallon bin in the garage. It stopped working. I will take it apart for cleaning and see it works. If buying another, used or new, any recommendations? Want one with 1” or larger plumbing, moves lots...

Excited to share I was certified yesterday for open water diving! Will continue the journey in Monterey area. And hope to see here some of you who also dive!

It does, but the ph of my sump water rises slightly, I think in response to more alk released to tank?

Does the trend in PH level over days tell something about alk level in the tank? Everytime I turn up a bit the CO2 feed to my cal reactor, I can see the PH level in the tank increases in response, and gradually decrease daily and tend to settle at a level similar to before. Refer to photo...

When setting up float switches with Apex breakout box, is there a step required to activate the float switches? I just connected two float switches to the breakout box, which is connected to the I/O port of PM2 before reaching the Apex brain. I have verified that the status of the two float...

w well, still having issues with alk ;-( Hopefully I can get it right this year.

Got a new Varios 8 as return pump for my 150G. The embedded float switch will shut down varios 8 pump if return chamber of sump's water level gets too low. But it does not shut down skimmer. Both pump and skimmer are wired to Apex controller (the old version). Is there a way to program Apex...

Saw this green anemone showing off its brilliant red tip at Point Lobos last week.

I use this one below. It says 1000w, but actual Power consumption is probably just 100-150w (my guess). I found dimmable function is useful. I had H380 before, way too much lightthat burns the chateo and cant be dimmed. Adjustable 1000W COB LED Grow...

I have a bucket of Fritz Reef Pro Mix salt, probably 2~3 years old. Made a batch of fresh salt water, sitting in garage for ~10 days, with a circulation pump running. Water temp has been around 78 degrees. I just measured the alkalinity and really surprised to see 4.5 DHK only, confirmed with...