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SpectraPure® MaxCap 2-Stage Add-on Assembly System

SpectraPure® MaxCap 2-Stage Add-on Assembly System

Item #: SP1753

We no longer carry this item

SpectraPure MaxCap RO/DI systems and replacement filters are among the best money can buy! Get the lowdown in this Reef Hacks review.
Max-Cap DI Retro-Fit Kit, 2 Sta w/ Silica Buster, 10in Clr Carts, TDS Mtr, w/Filt Wr Everything you need for most systems to add a two stage DI to your RO system with MaxCap high capacity DI cartrdige.

Manufacturer information

SpectraPure Aquarium Supplies
SpectraPure was established in 1985 and is located in Tempe, Arizona, home of Arizona State University. SpectraPure is dedicated to excellence in the design and manufacture of water filtration and purification systems for household, commercial, laboratory and light industrial applications. Their product lines includes a full range of systems and equipment, including drinking water systems, water softeners, filtration systems, reverse osmosis units, RO/DI and deionization systems and many other technological innovations and water purification accessories. SpectraPure provides innovative, state-of-the-art solutions to water purity problems and applications.


Reviewed on
January 16, 2019

Yes, I would recommend this.

Just plug and play

Pros: Easy

Cons: None

Awesome addition to any ro system.

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jeffrey abaygar

Reviewed on
July 31, 2013

Yes, I would recommend this.

Easy to install, love it

I got this "add on" DI connected to my RO unit. The tube piping that goes with it perfectly fits with my RO tube and no need for connectors. I just cut the blue from RO output and insert the DI input connect. The output goes back to the other end of blue.

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Reviewed on
March 15, 2010

Yes, I would recommend this.

Super product

One of the best I have seen customer service here and at spectrapure are awesome.

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jeff briggs

Reviewed on
November 30, 2007

Yes, I would recommend this.


Had a little trouble getting it to work with a different brand RO system but once I got it all hooked up it works quite well. No complaints. Digital readout is handy as well.

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Reviewed on
August 24, 2007

Yes, I would recommend this.


Worth every penny! My Tapwater TDS is 200. After RO it's 17 and zero after the DI, and that hasn't even passed the SilicaBuster. This is a top notch product.

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