Does this have to be touching the glass or can I hover so that I can follow fish around the tank without dragging against glass?

It actually hovers slightly above the glass when attached. Only the soft felt touches the glass. If you want to hold it by hand over the glass to follow fish, that will also work

Will it stick to a 1” acrylic tank?

No,the magnets are not strong enough for 1". This is rated for 5/8", but may work up to 3/4" in some cases. We should have a Max version for larger tanks available shortly.

Does the magnifying lens go inside the tank or on the outside?

The lens goes on the outside of the tank. Magnetic coupler goes on the inside. It moves easily without putting your hands in the tank.

What Size do I need for 150 gallon tank

A tank that size would likely require the 5" viewer which has optimal focal range around 6-10" deep into the tank

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FLIPPER DeepSee Nano 3″ Magnetic Aquarium Viewer – Optical-Grade Magnifying Lens for Clear Underwater Viewing – Reef & Freshwater Tank Accessory for Fish, Coral & Aquascapes (Up to 3/8″ Glass) – Black

Product ID: 140581443

Details

Brand
FL!PPER
Color
Black
Lens Material
Glass
Product Dimensions
2.99"L x
Unit Count
1 Count

🐠Up to 3/8″ glass/acrylic safe

🔍2–6 inch focal range

🧲Rare-earth magnetic grip

€ 63.33

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

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Description

🐟 Dive Deeper, See Clearer – Your Aquarium’s VIP Pass!

BUILT TO LAST - Durable, precision-engineered design guarantees long-term performance for serious aquarium enthusiasts.
MAGNETIC MASTERY - Powerful rare-earth magnets ensure a secure, hands-free hold on glass or acrylic up to 3/8" thick.
EFFORTLESS MOBILITY - Smooth repositioning lets you explore every coral nook and fish detail without lifting a finger.
CRYSTAL CLEAR CLOSE UPS - Optical-grade lens delivers distortion-free underwater viewing for your nano reef or freshwater tank.
PERFECT FOR PRO LEVEL OBSERVATION - Ideal for monitoring fish health, coral growth, and capturing stunning underwater photos.

The FLIPPER DeepSee Nano 3″ Magnetic Aquarium Viewer features an optical-grade magnifying lens with a 2–6 inch focal range, secured by rare-earth magnets that attach firmly to glass or acrylic up to 3/8" thick. Designed for reef and freshwater tanks, it offers distortion-free, hands-free underwater viewing, perfect for detailed observation and photography of fish, coral, and aquascapes. Compact, durable, and easy to reposition, it’s a must-have tool for nano aquarium enthusiasts seeking precision and clarity.

Specifications

ASIN	B07T4VZ2Y1
ASIN	B07T4VZ2Y1
Best Sellers Rank	#37,228 in Pet Supplies ( See Top 100 in Pet Supplies ) #705 in Aquarium Décor Thematic Ornaments
Brand Name	FL!PPER
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (240)
Date First Available	June 19, 2019
Item Dimensions L x W	2.99"L x 2.99"W
Item Type Name	aquarium-filter-accessories
Item model number	DeepSee-Parent
Lens Material	Glass
Manufacturer	FL!PPER Aquarium Products
Manufacturer	FL!PPER Aquarium Products
Manufacturer Part Number	DEEPSEE-NANO-stickerless
Model Number	DeepSee-Parent
Number of Items	1
Product Dimensions	7.25 x 4.5 x 1 inches; 4.23 ounces
UPC	652043949343
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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€ 63.33

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

View all Trustpilot reviews