Convert your standard 20 gallon long aquarium into a clean, all-in-one style setup with this custom AIO insert.
This insert creates a dedicated filtration, heater, and return chamber inside the aquarium, helping organize equipment while giving your tank a cleaner, more professional look. It is a great option for reef tanks, saltwater aquariums, frag tanks, nano reef builds, and DIY aquarium conversions.
The insert is made from matte finish black PETG and measures approximately 11.75 inches wide x 11.5 inches tall.
This AIO insert must be siliconed into a 20-gallon long aquarium (Petco or Petsmart Aqueon brand) using aquarium-safe silicone. Aquarium Not Included. Insert measures 11.75 inches wide x 11.5 inches tall.
A proper silicone seal is needed to prevent water from bypassing the filtration chamber. This is not designed to be a temporary drop-in divider. It is intended for DIY aquarium conversion projects where the insert is secured in place.
Please install in a clean, dry aquarium and allow the silicone to fully cure according to the silicone manufacturer’s instructions before adding water, equipment, or livestock.
✅ Insert + Silicone
Includes everything in the standard kit, plus aquarium-safe silicone for installation.
✅ Insert + Pump
Includes everything in the standard kit, plus a SICCE Syncra Silent 1.5 Submersible Return Pump, rated at 357 GPH.
✅ Insert + Silicone + Return Pump
Includes the AIO insert kit, SICCE Syncra Silent 1.5 return pump, and aquarium-safe silicone.
This insert helps convert a standard aquarium into a lagoon / peninsula, all-in-one style setup by creating a separate filtration and return area. It allows you to run the included filter sock or media basket, hide the return pump, organize equipment, and improve the overall appearance of the aquarium.
The included media basket provides space for additional aquarium filter media, such as biological media, carbon, phosphate remover, filter floss, or other aquarium-safe media of your choice.
It is especially useful for:
This is a 3D printed PETG product. Minor layer lines, small surface variations, or cosmetic differences may be visible and are normal with 3D printed items. These do not affect function.
Please confirm your aquarium dimensions before purchasing. This insert is designed for a standard 20 gallon long aquarium measuring 30.5" L x 13.13" D x 13" H. Tank dimensions can vary slightly by manufacturer. Aquarium is not included with this listing.
Buyer is responsible for proper installation. Aquarium-safe silicone is required for installation (optional but not included). Aquarium is not included.