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Or it could be as simple as that hahah! Any recommendations for replacement DI resin?

Thanks! I got them from Neptune's, they are the Oceans Wonders 3" frag discs.

RTFM - I think I figured out the issue? Membrane Flush: Plus Systems include an integrated membrane flush valve. Flushing the membrane for 1-2 minutes before and after each use is recommended. Avoid extended periods (longer than 2-3 weeks) between operation, as stagnant water can lead to...

It comes pre-assembled from BRS, so I think it's hooked up correctly. There is an in-line TDS meter installed and the input water into the DI resin gets down to 4 TDS (eventually) and output is 0 TDS per the in-line TDS meter and a separate TDS probe I have. I'm calculating 80% DI resin used...

I'll have to check when I get home. BRS website says the 6-Stage kit says it comes with two 1 micron carbon blocks, but maybe mine was on sale because it came with the 5 micron carbon blocks?

My TDS out is 0, TDS in is 4 but it takes awhile to get there. Thank you, I might take you up on your offer and try your spare RODI to test.

I think so, I found this when Googling: https://www.sjwater.com/customer-care/help-information/safety-quality-faqs#:~:text=kidney%20dialysis%20machine%3F-,Yes.,tropical%20fish%20store%20for%20guidance. "Yes. In order to comply with USEPA and California Department of Health Services regulations...

I need help troubleshooting my RODI setup. I bought a 75 GPH BRS 6-Stage RODI kit a few months ago when it was on sale. The first DI canister is about 80% used up and I've only made at most 300 gallons of RODI water. My TDS in is 4, but it takes 15-20 minutes to get there, even after flushing...

Thanks @Invictus for picking up the frag for me! I removed the frag plug and put it on a frag disc and I also put it in my quarantine tank for now, I hope that's ok.

I guess it depends on your alkalinity consumption, how much you are trying to raise alkalinity by, and how much evaporation you have. Your evaporation rate is the constraint on how much you can raise alkalinity. If you need to raise alkalinity even more, you'd have to use 2 part or something...

I've been using Kenny's method in this video: I use alkalinity consumption to figure out how much to dose via this calculator: https://www.hamzasreef.com/Contents/Calculators/KalkContribution.php But I'm doing this method more to keep pH stable than trying to get it high, so I just dose at...

I'm in!

Survived a 27 hour power outage, I think. Power went out around 5pm Sunday and came back on around 7pm Monday. I wrapped the tanks in blankets and towels and hooked up the return pump and the HOB filter on the QT/mushroom tank to small Ryobi battery inverters. That's all I could do with the...

Payment sent via Venmo yesterday, but it looks like the numbers I picked already got filled. I'll take any 2 remaining spots.

9 and 27 please, what's your Venmo info?

Winner winner!!

I bought this Rock Flower Anemone back during Thanksgiving from AquaSD and it's not really doing it for me anymore. It's about 2" in diameter. It had bright green fringe in the picture on the website but not in person (only if I shine a 365nm UV flashlight on it). Supporting members only...

Not on Facebook, so thank you, and yes I'm in!

1 ticket, payment sent.