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

Aquatop Mr 30 Media Reactor 152 Gph Up Flow Filtration

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VT47283

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Elevate your aquarium’s clarity with precision flow and effortless setup!

ALL IN ONE SETUP - Comes complete with pump, tubing, and mounting hardware for effortless installation.
OPTIMIZED FLOW RATE - 152 GPH pump ensures ideal water movement for both saltwater and freshwater aquariums up to 200 gallons.
VERSATILE INSTALLATION - Mounts securely in sumps or hangs on tanks with included hooks and suction cups.
DURABLE USER FRIENDLY - Sturdy acrylic chamber with recessed O-ring lid allows fast media replacement and cleaning.
MAXIMIZED MEDIA EFFICIENCY - Reverse water flow design prevents channeling for superior filtration performance.

The AQUATOP MR-30 Media Reactor is a high-efficiency up-flow filtration system designed for saltwater and freshwater aquariums up to 200 gallons. Featuring a powerful 152 GPH SWP-360 submersible pump, a durable acrylic chamber with a quick-access O-ring lid, and flexible mounting options, it maximizes filter media performance while simplifying maintenance. Complete with all necessary tubing and hardware, it’s the smart choice for aquarium enthusiasts seeking crystal-clear water and hassle-free operation.

Specifications

ASIN	B00GYG54ZU
Best Sellers Rank	#70,307 in Pet Supplies ( See Top 100 in Pet Supplies ) #336 in Aquarium Filters
Brand	Aquatop
Brand Name	Aquatop
Color	Black and Clear
Customer Reviews	4.0 out of 5 stars 520 Reviews
Flow Rate	152 Gallons Per Minute
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
Manufacturer	Aquatop
Manufacturer Part Number	028081
Manufacturer Warranty Description	No Warranty
Material	Acrylic
Material Type	Acrylic
Maximum Lifting Height	6 Feet
Model Number	MR-30
Power Source	Corded Electric
Product Dimensions	6.5"L x 5.5"W x 23.5"H
Product Style	Submersible
Specific Uses For Product	Indoor
Style	Submersible
UPC	819603014044
Unit Count	1 Count

Reviews

B**S

29.05.2025

M**T

4.04.2026

K**H

1.09.2024

J**M

29.07.2024

C**D

26.05.2018

M**X

29.08.2023

M**L

24.03.2023

V**R

18.04.2026

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