3D printed aquarium parts · Made in the USA

Aquarium parts made to fit the gear you already own.

Adapters, spray bars, media baskets, guards, and mounts for popular aquarium gear. Choose your gear and we show you what fits.

Find parts for my gear Shop all parts

Made in the USA
Ships in 3 to 5 business days
$7.95 flat US shipping
30 day refunds, and you keep the part

Spray bar

Black 16/22mm barb hose adapter, printed in PETG

Barb adapter Black baited snail trap on the gravel of a planted tank

Snail trap

Find your parts

Start with the gear you own.

Pick your filter or tank and we show the parts made for it. Know your hose sizes instead? Use the size door.

By equipmentBy connection size

Already saved a tank? Shop from My Tank.

Shop by equipment

Parts for the gear you already run.

Compatible withEheimClassic canisters91 partsChoose model Compatible withFluvalFlex, Spec, and Evo tanks9 partsChoose model Compatible withAquaClearHang on back filters4 partsShop compatible parts Compatible withSeachemTidal power filters3 partsShop compatible parts Compatible withMarinelandPenguin power filters14 partsChoose model Compatible withNeptuneOS-1 water sensors4 partsShop compatible parts

View all 23 brands

Shop the problem

What are you trying to fix?

Start from the thing that is bugging you, not from a part name.

Eheim 16/22mm to 5/8 Inch Vinyl Barb Adapter, Black, product photo

Your hose ends do not match

Join one hose or pipe size to another.

37 parts

Spray Bar, Eheim 12/16mm Inlet, 180mm, Black, product photo

The return blasts one spot

Spread the water coming back into the tank, or calm a drain.

70 parts

Shrimp Guard, Eheim 16/22mm Barb, Black, product photo

Shrimp and fish get pulled in

Slotted covers that go over an intake, a pump, or a heater body.

25 parts

Media Basket for AquaClear 50, Black, product photo

You keep rebuying cartridges

Refillable baskets and cups for the media you pick yourself.

22 parts

Aquarium Probe Clip for a 12mm Probe, Black, product photo

Gear will not stay where you put it

Clips, brackets, and trays for probes, sensors, lights, and bottles.

50 parts

Pest snails and feeding mess

Small parts for feeding time and for the jobs nobody enjoys.

31 parts

Shop now

Real parts, printed when you order.

A look at what we make. Pick a part and it goes on a printer for you.

Eheim 16/22mm to 5/8 Inch Vinyl Barb Adapter

Compatible with Eheim and API / Rena

$14.99Choose options

Spray Bar, Eheim 16/22mm Inlet, 180mm

Compatible with Eheim and Aqua One

$24.99Choose options

Shrimp Guard, Eheim 16/22mm Barb

Compatible with Eheim and Aqua One

$13.99Choose options

Media Basket for AquaClear 70

Compatible with AquaClear

$34.99Choose options

Media Basket for Fluval Flex 15 Gallon

Compatible with Fluval

$34.99Choose options

Baited Snail Trap, Standard, 9mm Opening, 2 Piece

$24.99Choose options

ATO Sensor Rim Clip for the Neptune OS-1, Standard Rim

Compatible with Neptune

$16.99Choose options

Fish Guard, Eheim 16/22mm Barb

Compatible with Eheim and Aqua One

$13.99Choose options

Why TankRig

Built for your gear, made close to home.

Made for your equipment

Parts are built around named filters, tanks, and sensors, not around a generic tube.

Printed in the USA

Designed and printed here at home, in our own US print shop.

Strong PETG

We print in PETG, the plastic aquarium keepers have used underwater for years.

Real human help

Message us and a real person answers.

30 day refunds, and you keep the part

Ships in 3 to 5 business days. Flat rate US shipping on every order.

Read the refund policy Shipping details

My Tank

Save your tank once. Shop faster every time.

Add your filter, your light, and your sensors to a tank profile. After that we put the parts made for that gear in front of you first.

Create My Tank Sign in

What a saved tank looks like

Add your own gear and the list becomes yours.

Shop by part

235 parts across 27 part types.

Fish tank accessories and aquarium equipment. Start with the big shelves, or open the full list below.

Spray Bars

Perforated return bars with even hole spacing, sized to your canister hose or PVC pipe.

From $19.9960 parts

Adapters

Connect a canister hose to vinyl tubing, PVC pipe, or another hose size. Push-on fit, no glue.

From $14.9931 parts

Dosing Bottle Holder, 91 mm Round, Single Bay, Black, product photo

Dosing Bottle Holders

Trays and wall cradles that stand dosing containers upright in the cabinet. Cut for 91mm, 110mm, and 62mm round bottles, plus a rectangular pocket.

From $19.9912 parts

Coral Frag Rack, Nano 6 Hole, Magnet Mount, Black, product photo

Coral Frag Racks

Flat plates with 6, 12, 24, or 40 holes that hold coral frag plugs upright by their stems. Cut for a 9.525mm (3/8 inch) stem. Hang one on the rim or stand it on the tank floor.

From $23.9912 parts

Feeding Rings and Nori Clips

Rings that wall off a patch of the water surface for food, plus clips that hold a sheet of dried algae. Magnet pocket or rim clip.

From $10.9911 parts

Aquarium Heater Guard, 25 mm Class, 150 mm, Suction Bracket, Black, product photo

Heater Guards

Slotted cages that close around a round heater body. Built in segments, so you set the length.

From $24.9910 parts

Fry Saver Box, Nano, 1.5mm Slots, Rim Hang, Black, product photo

Breeder Boxes

Open top boxes with slotted walls and a slotted floor that hold small fish apart from the tank. Hang one over the rim or mount it on your own suction cups.

From $21.998 parts

ATO Sensor Rim Clip for the Neptune OS-1, Standard Rim, Black, product photo

ATO Sensor Mounts

Brackets that hold an ATO sensor or a threaded float switch at the height you set. Built for the Neptune OS-1 and for M16 and M10 float switches.

From $15.998 parts

One shop, every tank

Made for the habitat you keep.

Freshwater

Adapters, guards, spray bars, snail traps, and breeder boxes for planted and community tanks.

Shop freshwater

Saltwater

Fittings, intake guards, and heater guards for marine setups.

Shop saltwater

Reef

Frag racks, powerhead guards, dosing holders, and media baskets for reef tanks.

Shop reef

Turtle

Returns and fittings sized for turtle tanks and low water lines.

Shop turtle

Guides

Answers to what keepers actually ask.

Hose sizes by model, guard slots, spray bars, and more. Plain language, real numbers.

Browse all guides

About TankRig

TankRig designs and makes aftermarket 3D printed aquarium parts in the USA, including hose adapters, spray bars, intake guards, media baskets, equipment mounts, and related accessories for popular aquarium equipment.

Brand names on this page belong to their own companies. We use them only to show which gear these parts are made for. TankRig is not part of those companies, and they do not back or approve our parts.

Aquarium parts made to fit the gear you already own.

Start with the gear you own.

Popular models

Or start from your brand

Match two sizes

Parts for the gear you already run.

What are you trying to fix?

Your hose ends do not match

The return blasts one spot

Shrimp and fish get pulled in

You keep rebuying cartridges

Gear will not stay where you put it

Pest snails and feeding mess

Real parts, printed when you order.

Eheim 16/22mm to 5/8 Inch Vinyl Barb Adapter

Spray Bar, Eheim 16/22mm Inlet, 180mm

Shrimp Guard, Eheim 16/22mm Barb

Media Basket for AquaClear 70

Media Basket for Fluval Flex 15 Gallon

Baited Snail Trap, Standard, 9mm Opening, 2 Piece

ATO Sensor Rim Clip for the Neptune OS-1, Standard Rim

Fish Guard, Eheim 16/22mm Barb

Built for your gear, made close to home.

Made for your equipment

Printed in the USA

Strong PETG

Real human help

30 day refunds, and you keep the part

Save your tank once. Shop faster every time.

What a saved tank looks like

235 parts across 27 part types.

Spray Bars

Adapters

Dosing Bottle Holders

Coral Frag Racks

Feeding Rings and Nori Clips

Heater Guards

Breeder Boxes

ATO Sensor Mounts

Browse all part types

Made for the habitat you keep.

Freshwater

Saltwater

Reef

Turtle

Answers to what keepers actually ask.

Which Hose Fits Your Filter? Eheim, Fluval, JBL Sizes

Eheim Classic Hose Size: 2213, 2217, and Every Model

Fluval Flex and Spec Accessories: What Fits Today

Shrimp Guard Fit Chart: Filter Models and Intake Sizes

Spray Bar vs Stock Outlet: Canister Filter Return

About TankRig