• May include: A black plastic filter for an aquarium. The filter has a rectangular shape with a grid pattern on the front and a small opening on the side. The filter is attached to the side of the aquarium.
  • May include: A black rectangular aquarium filter box with a slotted side and a lip for hanging. The box has a series of vertical slots on one side and small horizontal slots on the top edge.
  • May include: A black, rectangular, 3D-printed object with a unique design. It features a square box shape with a protruding shelf on one side and a series of vertical slots on the front. The object is made of a matte black material.
  • May include: A black, angular, rectangular object with a sloped top and a series of vertical slots along the bottom edge. The design appears to be a 3D rendering or a technical drawing.
  • May include: A black plastic filter for an aquarium. The filter has a rectangular shape with a grid pattern on the front and a small opening on the side. The filter is attached to the side of the aquarium.
  • May include: A black rectangular aquarium filter box with a slotted side and a lip for hanging. The box has a series of vertical slots on one side and small horizontal slots on the top edge.
  • May include: A black, rectangular, 3D-printed object with a unique design. It features a square box shape with a protruding shelf on one side and a series of vertical slots on the front. The object is made of a matte black material.
  • May include: A black, angular, rectangular object with a sloped top and a series of vertical slots along the bottom edge. The design appears to be a 3D rendering or a technical drawing.
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Aquarium Water Change Diffuser - Gentle Flow Designed for Smooth Water Changes *Original Design*

AquaPrintsByRay  
5 out of 5 stars

Item highlights

  • Materials: PETG
  • Made to order

Seller's description

**We will combine shipping when possible and refund the extra shipping costs**
**Original Design by our shop, AquaPrintsByRay!**

Tired of disturbing your aquascape or stressing out your fish every time you top off your tank? Our Aquarium Water Change Diffuser is designed to attach to the rim of your aquarium and redirect water smoothly and evenly, preventing harsh splashes or substrate disruption during water changes.

Perfect for planted tanks, shrimp tanks, or any aquascape where flow control matters, this tool helps you refill your aquarium with precision and care. Just hook it onto the edge, pour your water through, and let gravity do the rest—no spills, no mess, no stress.

Made from aquarium-safe PETG, it's durable, easy to clean, and fits most rimless or standard tanks.

Available in 2 size options:
🐟Small Tank (1–10 gal) – 2.76" x 2.64" x 1.97" - Fits up to 0.75" rim
🐟Large Tank (10-30 gal) – 5.12" x 4.72" x 3.15" - Fits up to 0.75" rim

✔ Reduces splash and flow pressure
✔ Protects plants, fish, and aquascapes
✔ Simple clip-on design – easy to use
✔ Great for planted and shrimp tanks

A must-have for aquarists who care about keeping their tank peaceful and pristine.

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Item review

Why this review appears

All reviews are from verified buyers. This review is shown automatically based on factors like recency, whether it includes comments, your chosen language, and whether the rating reflects the typical experience with the shop.

Summarized by AI

Great quality Love it

“First picture listed isn’t the one but the following pics are. Was quality and would recommend.”

Joshua

Jul 23, 2026

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5 views in the last 24 hours

NowPrice:$14.24+

Original Price: $18.99+

25% off

•

Sale ends on November 16

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Shipping & return policies
  • Get it by
    Oct 24-31
  • Cost to ship
    $6.39 to United States, 43215.

Reviews for this item

What buyers say, summarized by AI: Great quality Love it

5.0

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(18 reviews)

5.0 Item quality
5.0 Shipping
5.0 Customer service
100% Buyers recommend
Filter by category
5 out of 5 stars 5 This item

Joshua Jul 23, 2026

First picture listed isn’t the one but the following pics are. Was quality and would recommend.

Joshua Jul 23, 2026

5 out of 5 stars 5 This item

Christina Apr 16, 2026

This works great! I’ve done water 50% changes and the substrate was not disturbed at all.

Christina Apr 16, 2026

5 out of 5 stars 5 This item

Paul Apr 3, 2026

These diffusers are the best, I have both designs, and they all work equally well. Well crafted diffusers.

Paul Apr 3, 2026

5 out of 5 stars 5 This item

Etsy buyer Jan 24, 2026

Excellent product and a great seller. This fits my 5G rimmed tank perfectly and prevents the substrate and plants being disturbed when adding water for a water change.

Etsy buyer Jan 24, 2026

Photos from reviews

Seller's description

Specifications

May include: A black plastic filter for an aquarium. The filter has a rectangular shape with a grid pattern on the front and a small opening on the side. The filter is attached to the side of the aquarium.

**We will combine shipping when possible and refund the extra shipping costs**
**Original Design by our shop, AquaPrintsByRay!**

Tired of disturbing your aquascape or stressing out your fish every time you top off your tank? Our Aquarium Water Change Diffuser is designed to attach to the rim of your aquarium and redirect water smoothly and evenly, preventing harsh splashes or substrate disruption during water changes.

Perfect for planted tanks, shrimp tanks, or any aquascape where flow control matters, this tool helps you refill your aquarium with precision and care. Just hook it onto the edge, pour your water through, and let gravity do the rest—no spills, no mess, no stress.

Made from aquarium-safe PETG, it's durable, easy to clean, and fits most rimless or standard tanks.

Available in 2 size options:
🐟Small Tank (1–10 gal) – 2.76" x 2.64" x 1.97" - Fits up to 0.75" rim
🐟Large Tank (10-30 gal) – 5.12" x 4.72" x 3.15" - Fits up to 0.75" rim

✔ Reduces splash and flow pressure
✔ Protects plants, fish, and aquascapes
✔ Simple clip-on design – easy to use
✔ Great for planted and shrimp tanks

A must-have for aquarists who care about keeping their tank peaceful and pristine.

Delivery details and policies

  • Get it by
    Oct 24-31
  • Returns and exchanges
    Not accepted
  • Ships from
    Monterey Park, CA
  • Cost to ship
    $6.39 to United States, 43215

    There was a problem calculating your shipping. Please try again.

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Star Seller

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Meet your seller

AquaPrintsByRay
Ray
AquaPrintsByRay ·

Los Angeles, California

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
1.9k sales
·
1.5 years on Etsy
1 shop member

Usually responds in a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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Listed on Oct 17, 2026
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