ATOC 10 Pro Auto Top-Off Container 🇺🇸

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ATOC10 Full31000px.jpg
atoc lid off1000px.jpg

ATOC 10 Pro Auto Top-Off Container 🇺🇸


Precision Marine Auto Top Off containers are built using the highest quality cast acrylic all the way around. Fabricated using the exact gauge acrylic as all of our refugiums. 

We do not use .177 or .220 Acrylic Anywhere!

  • No-compromise build quality
  • Heavy-duty body
  • Heavyweight, High-Density ½” Polymer lids
  • Large opening provides easy access for filling & cleaning
  • 2" hole for tubing and wires
  • 3 - ¼" holes for tubing
  • Dual Corresponding stay for ¼" holes in top keeps your tubing straight
  • Graduated, accurate engraving at ½ gallon increments
  • Same height as all of our refugiums for perfect match
  • 9.24 gallon capacity
  • 10"x 16"x 15"
  • Built to the Hilt!
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A footnote about calculating volume:

We at Precision Marine Systems calculate volume using inside dimensions. We refuse to insult the intelligence of our customers by using outside dimensions to measure the volume of any vessel that holds water. If you’re unsure how to do this it’s very simple:

LxWxH = Cubic Inches ÷ 231 = Gallons

In the case of the ATOC 10 which uses ¼” Cast Acrylic: 

9½ x 15½ x 14½ = 2135.125 ÷ 231 = 9.24 gallons

We believe it’s important to illustrate this to be sure our customers are properly informed. If you do the math, in most all cases the advertised volume of every ATOC, sump & even aquarium is much less than how it’s advertised.

In the world of these Auto Top Off containers, you will see most of them simply don't add up!

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