Will this work well in my 40 gallon red eared slider tank?

We use it in our 60 gallon for our red eared and it works great. Have no problems. I truly think it is the best heater we have gotten. You can maintain the temp in the tank very easily.

Is that ok get 200w heater for 10 gallon tank?

The 200W heater is too powerful for a 10 gallon fish tank, choosing 50W or 100W will be better.

Do these have some kind of warranty? I got mine in September and it broke today. Just cracked and stopped heating.

I do not believe they have any warranty. I’ve had no problems with mine. It’s extremely odd for them to crack unless possibly it cracked from shock or maybe you were changing the water and forgot to unplug it because if the glass gets heated while the elements heating up and then you add water it could crack it.

Hitop 50w Adjustable Aquarium Heater Submersible Fish Tank Heater Thermostat

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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$33.28

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Description

🐠 Keep your tank cozy and your fish happy—because they deserve the best!

POWERFUL 50 W HEATING - Effortlessly maintain optimal warmth for 6-15 gallon tanks, ensuring your aquatic friends thrive.
PRECISION TEMPERATURE CONTROL - Built-in thermostat guarantees water stays within ±2°F of your set temperature—no guesswork, just perfect comfort.
DURABLE THICKENED QUARTZ GLASS - 33% thicker glass means enhanced safety and longevity, protecting both your fish and your investment.
BONUS STICKER THERMOMETER INCLUDED - Instantly monitor water temperature at a glance, keeping you in control and your fish stress-free.
FLEXIBLE INSTALLATION WITH TRIPLE SUCTION CUPS - Secure your heater at any angle underwater with 3 strong suction cups for hassle-free setup and stability.

The HITOP 50W Adjustable Aquarium Heater is a compact, submersible device designed for 6-15 gallon tanks. Featuring a thickened 2mm quartz glass body for enhanced durability and safety, it offers precise temperature control within ±2°F via a built-in thermostat. Installation is effortless with three powerful suction cups, and a bonus sticker thermometer lets you monitor water temperature anytime. Perfect for millennial fish enthusiasts who demand reliability and style in their aquatic care.

Specifications

ASIN	B07MJJJ4QQ
ASIN	B07MJJJ4QQ
Best Sellers Rank	#4,685 in Pet Supplies ( See Top 100 in Pet Supplies ) #6 in Aquarium Heaters
Brand Name	HITOP
Customer Reviews	4.4 4.4 out of 5 stars (4,146)
Date First Available	March 1, 2019
Date First Available	March 1, 2019
Directions	This product needs to be completely submerged in water to use.
Included Components	1pc sticker thermometer, 3 strong suction cups
Is Discontinued By Manufacturer	No
Item Dimensions LxWxH	7.87 x 0.98 x 0.98 inches
Item Package Dimensions L x W x H	11.06 x 3.23 x 1.81 inches
Item Weight	8.4 ounces
Item model number	HP 608
Item model number	HP 608
Manufacturer	Haisen
Manufacturer	Haisen
Product Dimensions	7.87 x 0.98 x 0.98 inches; 8.47 ounces
Size	7in-50w
Specific Uses for Product	Heat water to maintain the temperature of the fish tank
Target Audience Keyword	fish

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