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How Many Gallons Are In A Hot Tub?

Published on
9 min read
How Many Gallons Are In A Hot Tub? image

Best Hot Tubs to Buy in December 2025

1 INTEX 28425EH PureSpa Bubble Massage Spa Set Outdoor Inflatable Portable Hot Tub, Includes Energy Efficient Spa Cover, Saltwater System Ready, 4 Person, 77in x 28in

INTEX 28425EH PureSpa Bubble Massage Spa Set Outdoor Inflatable Portable Hot Tub, Includes Energy Efficient Spa Cover, Saltwater System Ready, 4 Person, 77in x 28in

  • LUXURIOUS COMFORT WITH FIBER-TECH STABILITY FOR ULTIMATE RELAXATION
  • GENTLE WATER FEEL: BUILT-IN HARD WATER TREATMENT FOR YOUR SKIN
  • ENHANCED EFFICIENCY: ENERGY-SAVING COVER REDUCES HEAT LOSS BY 50%
BUY & SAVE
$625.99
INTEX 28425EH PureSpa Bubble Massage Spa Set Outdoor Inflatable Portable Hot Tub, Includes Energy Efficient Spa Cover, Saltwater System Ready, 4 Person, 77in x 28in
2 LifeSmart 4-Person Hot Tub with 13 High-Powered Jets & LED Lighting, Square, Taupe - Outdoor Spa w/ 4 Bucket Seats, Pump & Cover, 205-Gallon Water Capacity

LifeSmart 4-Person Hot Tub with 13 High-Powered Jets & LED Lighting, Square, Taupe - Outdoor Spa w/ 4 Bucket Seats, Pump & Cover, 205-Gallon Water Capacity

  • 13 POWERFUL JETS FOR ULTIMATE RELAXATION AFTER A LONG DAY.
  • EASY 110V PLUG & PLAY SETUP-PORTABLE AND HASSLE-FREE ENJOYMENT!
  • DURABLE DESIGN WITHSTANDS WEATHER, ENSURING LONG-LASTING FUN.
BUY & SAVE
$3,445.61 $3,654.14
Save 6%
LifeSmart 4-Person Hot Tub with 13 High-Powered Jets & LED Lighting, Square, Taupe - Outdoor Spa w/ 4 Bucket Seats, Pump & Cover, 205-Gallon Water Capacity
3 Coleman Atlantis AirJet Large Square 4 to 6 Person Inflatable Hot Tub Portable Outdoor Spa with 140 AirJets and EnergySense Cover, Blue

Coleman Atlantis AirJet Large Square 4 to 6 Person Inflatable Hot Tub Portable Outdoor Spa with 140 AirJets and EnergySense Cover, Blue

  • EXPERIENCE BLISS WITH 140 JETS FOR UP TO 6 PEOPLE AT 104°F!
  • SAVE ENERGY WITH A COVER THAT'S 40% MORE EFFICIENT-ECO-FRIENDLY!
  • BUILT TOUGH: 3-LAYER MATERIAL RESISTS PUNCTURES & STRETCHING!
BUY & SAVE
$619.59 $689.15
Save 10%
Coleman Atlantis AirJet Large Square 4 to 6 Person Inflatable Hot Tub Portable Outdoor Spa with 140 AirJets and EnergySense Cover, Blue
4 UHOMEPRO Inflatable Hot Tub Spa Set, Outdoor Bubble Massage Portable Hot Tubs with 130 Soothing Jets, Insulated Cover, Internal Heater Pump, 6 Filter Cartridges (Round)

UHOMEPRO Inflatable Hot Tub Spa Set, Outdoor Bubble Massage Portable Hot Tubs with 130 Soothing Jets, Insulated Cover, Internal Heater Pump, 6 Filter Cartridges (Round)

  • PERSONALIZED COMFORT: SET YOUR IDEAL WATER TEMPERATURE EFFORTLESSLY.

  • LUXURY & DURABILITY: ENJOY PREMIUM RELAXATION IN A STURDY DESIGN.

  • FAMILY FUN: 130 AIR JETS CREATE SOOTHING BUBBLE MASSAGES FOR ALL.

BUY & SAVE
$529.99
UHOMEPRO Inflatable Hot Tub Spa Set, Outdoor Bubble Massage Portable Hot Tubs with 130 Soothing Jets, Insulated Cover, Internal Heater Pump, 6 Filter Cartridges (Round)
5 Bestway SaluSpa Hawaii EnergySense Smart Luxe AirJet Inflatable Hot Tub Spa (71" x 71" x 26") | Features LED Lights and App-Control | Fits Up to 4-6 Persons

Bestway SaluSpa Hawaii EnergySense Smart Luxe AirJet Inflatable Hot Tub Spa (71" x 71" x 26") | Features LED Lights and App-Control | Fits Up to 4-6 Persons

  • RELAXATION AT HOME: ENJOY 140 SOOTHING JETS FOR A SPA-LIKE EXPERIENCE.

  • SMART CONTROL: ADJUST SETTINGS REMOTELY VIA THE BESTWAY SMART HUB APP.

  • ENERGY EFFICIENT: SAVE ON BILLS WITH A COVER 40% MORE EFFICIENT THAN OTHERS.

BUY & SAVE
$675.00
Bestway SaluSpa Hawaii EnergySense Smart Luxe AirJet Inflatable Hot Tub Spa (71" x 71" x 26") | Features LED Lights and App-Control | Fits Up to 4-6 Persons
6 Coleman Palm Springs EnergySense AirJet Inflatable Hot Tub Spa (77" x 28") | Portable Hot Tub with 2 Covers (1 Energy-Efficient Thermal Cover and 1 Standard Cover) | Fits Up to 4-6 Persons | Green

Coleman Palm Springs EnergySense AirJet Inflatable Hot Tub Spa (77" x 28") | Portable Hot Tub with 2 Covers (1 Energy-Efficient Thermal Cover and 1 Standard Cover) | Fits Up to 4-6 Persons | Green

  • 120 JETS OFFER CUSTOMIZABLE RELAXATION WITH TWO INTENSITY LEVELS.

  • SMART CONTROL VIA APP LETS YOU MANAGE SETTINGS AT YOUR CONVENIENCE.

  • ENERGYSENSE COVER SAVES 40% MORE ENERGY, KEEPING COSTS LOW!

BUY & SAVE
$590.00
Coleman Palm Springs EnergySense AirJet Inflatable Hot Tub Spa (77" x 28") | Portable Hot Tub with 2 Covers (1 Energy-Efficient Thermal Cover and 1 Standard Cover) | Fits Up to 4-6 Persons | Green
7 INTEX 28431EP PureSpa Plus Bubble Massage Inflatable Spa Set: Includes Energy Efficient Spa Cover –2 Headrests – LED Light – 6 Person Capacity – 85" x 28

INTEX 28431EP PureSpa Plus Bubble Massage Inflatable Spa Set: Includes Energy Efficient Spa Cover –2 Headrests – LED Light – 6 Person Capacity – 85" x 28

  • INNOVATIVE FIBER-TECH CONSTRUCTION FOR UNMATCHED COMFORT & STABILITY.

  • BUILT-IN HARD WATER SYSTEM PROTECTS SKIN AND EXTENDS SPA LIFESPAN.

  • ENERGY-EFFICIENT COVER REDUCES HEAT LOSS; ENJOY 50% BETTER INSULATION.

BUY & SAVE
$850.69
INTEX 28431EP PureSpa Plus Bubble Massage Inflatable Spa Set: Includes Energy Efficient Spa Cover –2 Headrests – LED Light – 6 Person Capacity – 85" x 28
8 INTEX 28427EH PureSpa Bubble Massage Spa Set Outdoor Inflatable Portable Hot Tub, Includes Energy Efficient Spa Cover, Saltwater System Ready, 6 Person, 85in x 28in

INTEX 28427EH PureSpa Bubble Massage Spa Set Outdoor Inflatable Portable Hot Tub, Includes Energy Efficient Spa Cover, Saltwater System Ready, 6 Person, 85in x 28in

  • SUPERIOR DURABILITY WITH FIBER-TECH TECHNOLOGY FOR LUXURY COMFORT.
  • GENTLE ON SKIN: BUILT-IN HARD WATER TREATMENT PROTECTS YOU AND YOUR SPA.
  • SAVE ENERGY: THERMAL COVER REDUCES HEAT LOSS BY UP TO 50%!
BUY & SAVE
$599.99 $749.99
Save 20%
INTEX 28427EH PureSpa Bubble Massage Spa Set Outdoor Inflatable Portable Hot Tub, Includes Energy Efficient Spa Cover, Saltwater System Ready, 6 Person, 85in x 28in
9 INTEX 28483E SimpleSpa Inflatable Hot Tub 4 Person Bubble Massage Spa: Includes Insulated Cover – Built-in QuickFill Inflation – Soothing Jets – 77" x 26"

INTEX 28483E SimpleSpa Inflatable Hot Tub 4 Person Bubble Massage Spa: Includes Insulated Cover – Built-in QuickFill Inflation – Soothing Jets – 77" x 26"

  • ENJOY SOOTHING BUBBLE MASSAGE WITH 100 POWERFUL JETS FOR 4!
  • SLEEK CONTROL UNIT WITH ADJUSTABLE HEATING AND CUP HOLDER INCLUDED.
  • DURABLE DESIGN WITH PUNCTURE RESISTANCE AND INSULATED COVER.
BUY & SAVE
$629.99
INTEX 28483E SimpleSpa Inflatable Hot Tub 4 Person Bubble Massage Spa: Includes Insulated Cover – Built-in QuickFill Inflation – Soothing Jets – 77" x 26"
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ONE MORE?

A hot tub can hold varying amounts of gallons depending on its size and design. Generally, hot tubs range in size from small two-person models to large eight-person or more models.

Smaller hot tubs usually have a capacity of around 250-400 gallons. These are commonly referred to as "plug-and-play" or portable hot tubs.

Medium-sized hot tubs typically hold about 400-600 gallons. These are often built-in or freestanding models that offer additional features and seating capacity.

Larger hot tubs, designed for larger groups or for those who want a more luxurious experience, can hold anywhere from 600 to over 1,000 gallons. These tubs may have multiple seating areas, more jets, and additional features like built-in sound systems or LED lighting.

Ultimately, the number of gallons in a hot tub depends on its specific make and model. It's important to check the manufacturer's specifications or consult the owner's manual to determine the precise gallon capacity of a particular hot tub.

What is the typical weight of a hot tub?

The weight of a typical hot tub can vary depending on its size, material, and features. On average, a small hot tub can weigh around 500 to 800 pounds (227 to 363 kilograms), while larger models can weigh up to 2,000 to 3,000 pounds (907 to 1,361 kilograms). It is important to consider the weight of the hot tub when planning for its installation, as it will require a structurally sound foundation to support its weight.

What is the best type of hot tub cover lifter?

The best type of hot tub cover lifter can vary depending on personal preferences and specific needs. However, some popular and highly rated types include:

  1. Hydraulic cover lifters: These lifters use hydraulic assistance to easily lift and lower the hot tub cover. They require minimal effort and provide excellent support.
  2. Undermount cover lifters: These lifters are discreetly installed underneath the hot tub cabinet, allowing for a clean and unobstructed view of the surroundings. They are suitable for limited space areas.
  3. Gas-assisted cover lifters: These lifters use gas springs to assist in lifting and lowering the hot tub cover. They are known for providing smooth and effortless operation.
  4. Manual cover lifters: These are the most basic type, typically consisting of handles or bars that are manually used to lift and remove the hot tub cover. They are usually more affordable but require more physical effort.

Ultimately, the best hot tub cover lifter will depend on factors such as individual strength, budget, available space around the hot tub, and desired ease of use. It is recommended to read customer reviews, compare features, and consider personal requirements before making a decision.

How to properly drain a hot tub?

To properly drain a hot tub, follow these steps:

  1. Turn off the power: Before starting the drainage process, make sure to turn off the power to your hot tub at the circuit breaker. This will prevent any potential accidents or damage.
  2. Gather necessary equipment: Prepare a submersible pump and a garden hose long enough to reach a suitable drainage area. It's beneficial to have a high-capacity pump to expedite the process.
  3. Locate the drainage outlet: Find the outlet valve or the drain plug on your hot tub. It is typically located near the bottom, usually on the side or at the bottom of the tub.
  4. Connect the garden hose: Attach the garden hose securely to the drainage outlet. Ensure that it is tightly fastened to prevent any leaks during the drainage process.
  5. Set up the submersible pump: Place the submersible pump into the hot tub, making sure it is fully submerged in water.
  6. Turn on the pump: Switch on the pump, allowing it to start draining the water from the tub. Depending on the size of your hot tub, this process may take a while, so be patient.
  7. Redirect the drainage: You can divert the water from the garden hose to an appropriate drainage area such as a nearby drain, lawn, or garden. Ensure that the area can handle the volume of water being drained.
  8. Clean the tub while draining: While the hot tub drains, take the opportunity to clean it. Use a hot tub-specific cleaner or a mild solution of dish soap and warm water. Scrub the surfaces, including the interior, jets, and filters.
  9. Rinse and repeat: Once the tub is drained completely, rinse all the surfaces with clean water to remove any remaining cleaning solution or debris.
  10. Remove any residual water: After the initial drain, there may be some residual water left at the bottom of the tub. Use a wet-dry vacuum or towels to remove the remaining water. Ensure that the tub is completely dry before closing it up.
  11. Recap and secure: Replace the drain plug or close the valve securely. Double-check to ensure everything is tightly closed to prevent water leakage.
  12. Refill the hot tub: Once you have drained and cleaned the tub, you can refill it with fresh water. Follow the manufacturer's instructions for refilling, as they may provide specific guidelines regarding water quality, water level, and chemicals.

Remember, always consult your hot tub's user manual or manufacturer's instructions for specific guidelines regarding draining and maintenance to ensure you follow the proper procedures for your particular model.

How to prevent hot tub bacteria growth?

Here are some tips to prevent hot tub bacteria growth:

  1. Regularly sanitize the water: Use a quality sanitizer, such as chlorine or bromine, to maintain proper water chemistry and kill bacteria. Follow the manufacturer's instructions for the correct dosage and testing frequency.
  2. Test the water regularly: Use a test kit to measure the pH, sanitizer levels, and total alkalinity of the water. Test the water at least once a week and adjust the chemical levels accordingly.
  3. Maintain proper water circulation and filtration: Properly designed hot tubs have built-in circulation and filtration systems. Ensure these systems are functioning optimally to keep the water clean and minimize the risk of bacterial growth. Regularly clean and replace the filters as recommended by the manufacturer.
  4. Shower before entering the hot tub: Encourage everyone to shower with soap and warm water before using the hot tub. This helps remove any dirt, sweat, oils, or lotions that may potentially contaminate the water.
  5. Limit hot tub usage: Overcrowding can strain the sanitizer's ability to keep up with the demand. Limit the number of people using the hot tub at one time to ensure adequate sanitation.
  6. Avoid using the hot tub if you have an open wound or infection: Open cuts, sores, or infections can introduce bacteria into the water. It is best to avoid using the hot tub until the skin has healed completely.
  7. Drain and clean the hot tub regularly: Completely drain the hot tub every 3-4 months and thoroughly clean it using a non-abrasive cleaner. Pay attention to all surfaces, including the shell, jets, and possibly even the plumbing lines, depending on your hot tub design. Remove any biofilm or debris that may have accumulated.
  8. Educate users: Properly educate all users about the importance of hygiene and regularly maintaining the hot tub to prevent bacterial growth. Encourage them to report any issues and follow the guidelines for safe usage.

Remember to consult the manufacturer's guidelines or seek professional advice specific to your hot tub model for the best practices in preventing bacterial growth.

How to find the right hot tub size for your space?

Finding the right hot tub size for your space involves considering different factors such as your available space, the number of people who will be using the hot tub, and your personal preferences. Here are some steps to help you find the right size:

  1. Measure your space: Begin by measuring the area where you plan to install the hot tub. Consider both the length and width dimensions and note any potential obstacles or limitations in your space.
  2. Determine the capacity: Decide how many people will typically use the hot tub at once. Hot tubs generally range in capacity from two-person to eight-person models, although smaller or larger options are available.
  3. Consider your usage: Think about how you intend to use the hot tub. If you primarily want it for intimate relaxation, a smaller size could be suitable. However, if you plan to entertain guests often or have a larger family, a larger tub might be more appropriate.
  4. Test out different sizes: Visit a hot tub showroom or spa center to physically sit and test various tub sizes. This will give you a better understanding of the space each size provides and help you determine which size is the most comfortable and practical for you.
  5. Check the dimensions and layout: Review the specific dimensions and layout of the hot tubs you are considering. Pay attention to the seat layout and the depth of the tub, ensuring it meets your preferences and needs.
  6. Consider access and installation: Determine whether your space has suitable access for delivery and installation of the hot tub. Also, think about the weight and structural requirements to ensure your space can support the hot tub you choose.
  7. Seek professional advice: If you are unsure about what size is appropriate for your space, consider consulting with a hot tub professional who can provide recommendations based on your specific requirements.

By following these steps, you will be able to find the right hot tub size that fits your available space, accommodates the desired number of users, and suits your lifestyle needs.