Crystal Reef Aquatics

World class aquariums and filtration

Let our Master Builders with over 30 years of custom aquarium design and manufacturing make your dream come true. (Formally Oceans by Design)

The Stealth Series 30 x 15 x 15 Regular configuration Sump comes complete with all the accessories show below at no extra charge to our customers. These include RO/DI holder, Probe Holder, Dual 4 inch sock Assembly, All bulkhead and piping, Dual heater holders, Drop in media box, Adjustable Skimmer Baffle, Media rack, Dosing line holders to give our clients a fully Plug and Play Sump. All Sump are made from top Grade Plexiglass , Designed in the US and Hand built in the US.


1 = Dual 1 inch drain system. With all bulkheads and piping installed. 

2 = 5 through top dosing lines with attached holder It comes Ro/Di tubes pre-installed for easy Plug and Play..

3 = Through top ATO line and holder. It comes Ro/Di tube pre-installed for easy Plug and Play.

4 = CRA probe Holder, Designed for 3 normal probes and 1 larger (Temp) all being adjustable. 

5 = 14.5 x 6 inch Return Chamber

6  = 3 x 14.5 removable media/sponge filter rack

7 = 8.75 x 14.5 Skimmer/Refugium Chamber. Can be used for either purpose.

8 = An adjustable Grated Baffle giving you more precise control for varying Skimmer and refugium requirements, with the levels ranging from 6 inches to 14.

9 = 8.5 x 11 Refugium/ Skimmer chamber. Designed to be used as either based on the clients needs.

10 = A pair of CRA Heater Holders that can be placed where ever the  clients desires for their style heater.

11 = CRA Drop in Box (see description below), and a  drop in 4 inch Sock tray  (see description below)

12 = CRA plug/wire through holes. An easier way to pass wires, plugs  and other misc. item through the top of the sump without hanging them over the edge


Displayed with Dual 4 inch Sock Tray


Drop in Box

An additional free accessory the CRA Drop in Box is designed as an alternative to the use of filter socks. This feature allows the user place either filter media, Resin filter material, Bio-Blocks or act as a simple fish/invert catch. The unit comes with an flush fit Lid for better diffusion and Silencer.  


Dual 4 inch Sock 

Another Free Accessory that comes with your CRA sump is our Dual 4 inch Sock Tray. Built out of 5/8 thick Acrylic for durability it is design to allow the sock to sit inset. This allows for the Tank water to flow into them directly without building the water lever above. This unit also comes with two, 4 inch lids to better diffuse the water and acts as a silencer.


Heater Holder

CRA Heater holders are designed to allow our customers to clamp-in any size heater and keep them stationary and out of the way of other equipment in the chamber.

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Probe Holder

The CRA Probe Holder is designed to hold 3 normal sized probes and 1 larger Temperature probe. The unit is fully adjustable to allow our customers to use any style or probe type.


Dosing Feature

The CRA dosing feature comes with an acrylic holder and Tubing lines pre-installed for easy Plug and Play hook up. This feature keeps dosing lines organized and stationary.

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ATO Feature

The CRA ATO feature is a mounted and comes with RO/DI tubing pre-installed for easy Plug and Play hook up. This featurekeeps dosing lines organized and stationary. 

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Media Rack

The CRA media rack is the full length of the sump and allow our customers to use Media bags, Sponge or Bio-Blocks. The unit is full removable for ease of cleaning.