Could you put sand in this and use it as a fluidized bed filter?

I do. I put filter floss under the sponges to prevent sand from falling to the bottom. Used pool filtration sand and branched off from my primary pump with a valve to adjust water flow. I don't use the included pump but I don't see why you cant. Works great for me!

Is the pump that it comes with a submersible or not

I'm confused how any pump that's not submerged would even work? That's kind of the point of the pump, to be submerged in water so that it pumps into the media...

What are the exact internal diameter of the hoses?

From what I can measure, its 7/16 in. inner diameter and 1/2 in. outer diameter

What size tubing I can use for the aquatop Mr 20 to replace the clear tubing that came with it with a black tube ?

7/16 inch inner diameter, 1/2 inch outer diameter

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AQUATOP MR-30 Media Reactor – 152 GPH Up-Flow Filtration System – with Pump, Tubing & Mount – for Saltwater or Freshwater Aquariums – Sump or Hang-On Setup

AQUATOP MR-30 Media Reactor – 152 GPH Up-Flow Filtration System – with Pump, Tubing & Mount – for Saltwater or Freshwater Aquariums – Sump or Hang-On Setup

Product ID: 11450196

Details

Brand
Aquatop
Color
Black and
Item Weight
3.5 pounds
Material
Acrylic
Maximum Flow Rate
152 gpm
Maximum Lifting Height
6 feet

💧152 GPH high-efficiency flow

🔄Up-flow reverse water design

🛠️Quick-access acrylic chamber

1105.73 DT

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Description

💧 Elevate your aquarium’s clarity with cutting-edge filtration power!

ALL IN ONE SETUP - Comes complete with intake/output tubing and pump—ready to integrate seamlessly into your aquarium.
FLEXIBLE INSTALLATION - Mounts securely in sumps or hangs on tanks with included tank hook and suction cups.
EFFORTLESS MAINTENANCE - Recessed O-ring lid and sturdy acrylic chamber enable quick media replacement and cleaning.
POWERFUL STABLE PUMP - Includes AQUATOP’s SWP-360 submersible pump with sediment discharge filter for consistent water movement.
MAXIMIZE MEDIA EFFICIENCY - Innovative up-flow design prevents channeling for superior filtration performance.

The AQUATOP MR-30 Media Reactor delivers a robust 152 GPH up-flow filtration system designed for both saltwater and freshwater aquariums. Featuring a reverse water flow design to maximize media efficiency, it includes a reliable SWP-360 submersible pump with sediment discharge filter, housed in a durable acrylic chamber with easy-access lid. Complete with tubing, mounting hardware, and flexible sump or hang-on installation options, this all-in-one reactor ensures professional-grade water clarity and maintenance convenience.

Specifications

ASIN	B00GYG54ZU
ASIN	B00GYG54ZU
Best Sellers Rank	#67,754 in Pet Supplies ( See Top 100 in Pet Supplies ) #328 in Aquarium Filters
Brand Name	Aquatop
Color	Black and Clear
Customer Reviews	3.8 3.8 out of 5 stars (109)
Date First Available	November 27, 2013
Flow Rate	152 gpm
Global Trade Identification Number	00819603014044
Included Components	AQUATOP Media Reactor with Pump
Item Dimensions L x W x H	6.5"L x 5.5"W x 23.5"H
Item Type Name	Atp Multimedia Reactor 152Gph
Item Weight	3.5 pounds
Item model number	MR-30
Manufacturer	Aquatop
Manufacturer	Aquatop
Manufacturer Part Number	028081
Manufacturer Warranty Description	No Warranty
Material Type	Acrylic
Maximum Lifting Height	6 feet
Model Number	MR-30
Number of Items	1
Power Source	Corded Electric
Product Dimensions	6.5 x 5.5 x 23.5 inches; 3.45 pounds
Product Style	Submersible
Specific Uses For Product	Indoor
UPC	819603014044
Unit Count	1 Count
Voltage	120 volts

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1105.73 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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