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Part No. FAL-8

Plumbing Supply, Fix-A-Leak, 8oz

By Spa Parts
About This Part

Plumbing Supply, Fix-A-Leak, 8oz — a genuine Marlig replacement part for spas and hot tubs. Part #FAL-8.

This is an authentic Marlig component, stocked and shipped by Sauna Company USA. Order genuine Marlig part #FAL-8 online with fast shipping, secure checkout, and expert support from our parts team.

  • Manufacturer: Marlig
  • Part Number: FAL-8
  • Category: Jets & Plumbing › Plumbing Tools › Lubricants
  • Availability: Regular Stock

Detailed Description

Water leaks in hot tub or spa plumbing can be troublesome and in most cases very difficult to locate due to the foam sprayed insulation. The time and effort for a manual repair can at times become quite costly. With FIX A LEAK the repair costs can be minimal and often be done by the hot tub or spa owner.

How to determine whether you need an 8oz or a 32oz bottle:

  • Our 8oz. bottle can be used for minor drip leaks. Use 1 whole bottle regardless of the amount of water in the tub, ranging from 250 to 1000 gallons. Water Temperature should be between 70F and up.
  • A 32oz. bottle may be required: depending on the severity of the leak usually between 1 inch to 1 and a half inches, per 24 hour period. This would allow you to begin by using 1/3 of the bottle and if more product is required you can add the additional amount. Water temperatures should br between 70F and up.

Instructions for use:

This type of application will be for hot tub/spa leaks that are minor in nature. When you know your hot tub/spa is leaking but cannot detect a noticeable water drop inside the spa a wet spa pad or actual water slowly dripping onto the pad or floor may be the cause. Since it will be difficult to determine if you have sealed this type of leak follow the steps below.

  1. Remove all cartridge filters.
  2. Pour the entire contents of the bottle into the filter intake or directly into the spa.
  3. On day 1 run the spa for 4-6 hours, alternating between the low and high-speed jets.
  4. Since the jets usually run on a 15-minute cycle, you must be present to restart once cycle kicks off.
  5. After the 4-6 hours you can shut off your spa or just allow the recirculating pump to periodically run its cycle.**
  6. On day two, if the leak has slowed but not stopped, broom the bottom of your hot tub/spa before restarting the process as you did on day one of alternating between high and low speed jets for 4-6 hours.
  7. After day two leave the spa off for 48 hours. During this time frame check to see if the water level is stable and if the hot tub/spa pad remains dry.

We recommend to drain your spa after treatment as long as night temperatures remain over 40F. If temperatures dip below 40F for any length of time you may reinstall the filter(s) and remove the remainder of Fix A Leak out of the Spa or Hot Tub, making sure to take them out now and then to rinse under hot water to remove any Fix A Leak residue.

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Technical Specifications
Part NumberFAL-8
BrandSpa Parts
Item TypePart
CategoryFAL-8,Jets & Plumbing,Lubricants,Marlig,Part #FAL-8,Plumbing Tools,
Shipping MethodStandard parcel
AvailabilityIn Stock

Contact us to confirm compatibility with your specific model before ordering.

Installation Overview

General accessory installation — follow all manufacturer instructions included in the package.

  • Verify compatibility with your specific model using the part number before installing.
  • If electrical work is involved, engage a licensed electrician — do not bypass safety interlocks.
  • Use only manufacturer-approved tools and hardware. Substitutions may void the warranty.
  • Test the system at low settings first after any installation or replacement.
  • Register the part with the manufacturer to activate the warranty.
Compatibility & System Requirements

This part is designed for use with:

  • Spa Parts Products

Not sure if this fits your system? Contact us with your model number and we'll confirm before you order.

Frequently Asked Questions
Is this a genuine OEM part?

Yes. Sauna Company USA is an authorized dealer for Spa Parts. All parts sold are genuine OEM components sourced directly from the manufacturer or authorized distributor, not aftermarket substitutes.

How do I confirm this fits my model?

Match the part number (SKU) on the product against the parts list in your equipment's owner manual, or locate the data plate on your unit and compare the model number to the compatibility table above. If unsure, contact us with your model number before ordering.

Can I return this part if it doesn't fit?

Parts & accessories are non-returnable once opened — incorrect parts cannot be resold as new. Please confirm compatibility before purchasing. We're happy to help identify the correct part for your system.

How long will shipping take?

Standard parcel orders ship within 1–2 business days. Estimated transit is 2–5 business days depending on your location. Expedited options are available at checkout.

Shipping & Delivery

Standard parcel shipping — ships within 1–2 business days via UPS or FedEx.

  • Tracking number emailed when shipped.
  • Estimated transit: 2–5 business days depending on destination.
  • Expedited shipping options are available at checkout.
  • Orders placed before 5pm ET on business days ship the same or next business day.

Questions about your order? Email info@saunacompanyusa.com or use our contact page.

Warranty & Returns Policy

Manufacturer Warranty: This part is covered by Spa Parts's standard manufacturer warranty against defects in materials and workmanship. Warranty duration and terms vary by part type — refer to the documentation included in the package or contact us for details.

Returns: Parts & accessories are non-returnable once ordered. This policy exists because installed or opened components cannot be resold as new. Please verify compatibility thoroughly before purchasing — we're here to help.

Defective items: If your part arrives damaged or defective, contact us within 48 hours of delivery. We will arrange a replacement at no charge with proof of the defect (photos or video).

For warranty claims, visit our Warranty Claims page.

Genuine OEM part — authorized dealer
Ships in 1–2 business days
Expert support 10am–10pm ET daily
Manufacturer warranty on all parts

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