Building-A-Large-Custom-Aquarium- By Aqua Creations-custom made aquariums

Venturing into the world of custom aquariums brings exciting choices in size and shape, each impacting not only aesthetics but also pressure dynamics and construction requirements. A key factor often overlooked is the aquarium’s height. This article delves into how your custom aquarium’s height influences the pounds per square inch (psi) and dictates the choice of construction materials.

Decoding PSI in Custom Aquariums:

Pounds per square inch, or psi, represents pressure. In the context of custom aquariums, this pressure escalates with the water column’s height. The correlation between water height and pressure is straightforward – the taller the tank, the higher the pressure at the bottom. For every foot increase in water, the pressure amplifies by approximately 0.43 psi.

Impact on Construction Materials:

This augmented pressure exerts extra stress on the aquarium’s construction materials. Glass and acrylic, the primary materials used for custom aquariums, respond differently under pressure:

  • GlassAquariums:
  • Glass is robust, and thicker glass can endure more pressure, making it suitable for taller aquariums. However, the thickness and height of glass aquariums have limits, necessitating stainless steel bracing for reinforcement in some cases.


  • Acrylic Aquariums:
  • More flexible than glass, acrylic comes in all thicknesses. The sky’s the limit for the height of a custom acrylic aquarium, but remember that wall thickness and build cost will increase proportionately.

The Tall Aquarium Maintenance Factor:

The height and wall thickness of taller custom aquariums impact maintenance. Consider if you can clean the aquarium properly or if professional aquarium maintenance will be necessary. Also, bear in mind that thick (2”-3”) aquarium walls will require heavy-duty magnets for cleaning.


 Embracing custom aquariums opens up a sea of possibilities, but it’s crucial to consider the science behind it. The height of your aquarium directly affects the psi, influencing your choice of construction materials and maintenance strategy.

Whether you envision a towering freshwater masterpiece or a lofty saltwater environment, understanding the role of pressure helps create a safe and stunning aquatic display.

For more information about custom aquariums or to discuss your specific needs, feel free to contact us. We’re here to guide you through every step of your aquascaping journey. The beauty of custom aquariums lies in their ability to be tailored to your unique vision. So dream big, plan carefully, and dive in!