What’s the difference between the salt and fresh water ?

Salt water is much more complex! Fish are a lot more expensive and balancing the water is much more time consuming than freshwater! The a$$ hat above is a jerk!

How much clearance do you need on top to access filters etc...

lets say the filter sponges are around 8 inch long and lift straight up in the center so lift the lid off and then filter 8 to 12 inches but you could go tighter if your good and not clumsy

What are the pump specs? and should I upgrade?

Pump Output : 810 L/h (214 US Gal/h)- 120V/60 . remember the filter is set up to operate thru sponge so you realy dont want to speed up. i just had a friend ask and we are working on adding a fluval 307 i may drop down to a 207. Better to add a canister.

Can you use this aquarium for freshwater or does it have to be saltwater ?

the LED is the saltwater version lighting so could cause algea issues in fresh. You can buy a replacement Aquasky LED. And yes you can run frest water just dont leave the light on to long you will get algea .

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Fluval Flex 32.5 Marine Salt Water Aquarium Kit - Fish Tank for Fish, Coral & More - Comes with LED Lights, Filtration System & More - 32.5" x 15.75" x 15.35" - 123 L, 32.5 Gal. - Black

Fluval Flex 32.5 Marine Salt Water Aquarium Kit - Fish Tank for Fish, Coral & More - Comes with LED Lights, Filtration System & More - 32.5" x 15.75" x 15.35" - 123 L, 32.5 Gal. - Black

Product ID: 235475163

Details

Brand
Fluval
Color
Black
Item Weight
22.11 kg
Material
Glass
Product Dimensions
32.5"L x x
Shape
Rectangular

🌊32.5 Gal spacious tank

💡7500K adjustable LED lighting

🧼3-stage advanced filtration

R35583

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Description

🌟 Elevate your marine world with tech-savvy elegance — because your aquatic life deserves the spotlight!

TAILORED WATER FLOW DYNAMICS - Dual adjustable output nozzles create perfect currents, mimicking natural ocean environments for thriving aquatic life.
SMART CONVENIENT MAINTENANCE - Easy-feed top cover and app-controlled lighting/timers make aquarium care effortless for busy professionals.
VIBRANT CORAL READY ILLUMINATION - Customizable full-spectrum LEDs controlled via FluvalSmart App for stunning reef growth and mood lighting.
PRISTINE WATER QUALITY GUARANTEED - Powerful 3-stage filtration with oversized mechanical, chemical, and biological media ensures crystal-clear, healthy marine habitat.
SLEEK MODERN DESIGN WITH CONCEALED TECH - Curved front glass and honeycomb wrap hide water lines and filtration, delivering a minimalist, gallery-worthy centerpiece.

The Fluval Flex 32.5 Marine Salt Water Aquarium Kit is a 32.5-gallon, sleekly designed saltwater tank featuring a curved front glass and honeycomb wrap for a clean aesthetic. It includes a powerful 3-stage filtration system with oversized media for superior water quality, fully customizable 7500K white plus RGB LED lighting controlled via the FluvalSmart App, and dual adjustable water flow outputs. Designed for coral and fish enthusiasts, it offers smart, convenient maintenance features and supports expansion with optional accessories, making it a top-tier choice for modern marine aquarists.

Specifications

ASIN	B0873VL625
ASIN	B0873VL625
Additional Features	curved front glass
Best Sellers Rank	#133,680 in Pet Supplies ( See Top 100 in Pet Supplies ) #139 in Aquarium Starter Kits
Brand Name	Fluval
Color	Black
Customer Reviews	4.4 4.4 out of 5 stars (98)
Date First Available	April 14, 2020
Included Components	Aquarium
Item Dimensions L x W x H	32.5"L x 15.75"W x 15.35"H
Item Shape	Rectangular
Item Type Name	Fluval Sea Flex Saltwater Aquarium Kit - 123 L (32.5 US gal) - Black
Item Weight	22.11 kg
Item model number	FS400
Manufacturer	Rolf C. Hagen (USA) Corp.
Manufacturer	Rolf C. Hagen (USA) Corp.
Manufacturer Part Number	14994
Material Type	Glass
Model Number	FS400
Number of Items	1
Pet Type	Fish
Product Dimensions	32.28 x 15.75 x 15.35 inches; 48.75 pounds
Product Style	Modern
Set Name	saltwater kit
Specific Uses For Product	Indoor
Tank Volume	32.5 gallons
Target Species	Fish
UPC	015561346580 015561149945
Unit Count	1 Piece
Warranty Description	Manufacturer Warranty

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R35583

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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