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Fluidmaster 8302P8 Replacement Part

Q: What is the difference betwee the Fluid Master Flush and Sparkle 8100 and 8300P8 models?

8300 is bleach only. The description for 8100 blue cartridge says that in addition to the bleach, it is a Surfactant-based cleaning agent which reduces spread of viruses and bacteria. The 8200 green cartridge is for septic tanks where bleach shouldn't be used.

Q: Is the cartridge supposed to sit above or below the water line of the tank, or doees it matter?

Thank you for your question concerning 8300P8 Flush “n” Sparkle Bleach Kit. The housing unit that the cartridge is inserted into is a sealed container and can get wet. The housing unit in most cases is located above the water line however it can be partially submerged. For additional questions on any Fluidmaster product please contact us at your earliest convenience. Fluidmaster’s Technical Service Department is available Monday through Friday from 5:30 AM through 5:00 PM Pacific Standard Time. Contact options include: Chat www.fluidmaster.com/support E-Mail techsupport@fluidmaster.com and Toll Free 800-631-2011.

Q: Is this product safe for septic systems? I mean, will it kill all the good bacteria in the septic tank?

It's fine. We use bleach in way higher quantity in the washing machine with no issues. Your septic tank is a few hundred gallons of poo. That little amount will do nothing.

Q: Is the cartride supposed to sit above or below the water line of the tank, or does it even matter?

It does not matter. The cartridge gets water directly from the toilet float valve. There are two tubes to the cartridge system, input and output, water is pushed into the cartridge system circles around the cleaning tablet and out through the output line into the flapper and to the toilet bowl.

Product ID: 381897318

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Details

Brand
Fluidmaster
Scent
Sparkle
Item volume
77.09 Cubic
Surface recommendation
Toilet
Number of items
1
Item weight
132 g

🔄Automatic flush-activated action

🧼6 months hands-free cleaning

♻️Eco-friendly, tank-safe formula

Description

🚽 Sparkle smarter, not harder — flush your worries away!

SIMPLE SWAP GO - Easy-to-replace cartridges keep maintenance hassle-free and your bathroom sparkling.
LONG LASTING VALUE - Two-pack refills provide up to 6 months of continuous, hands-free freshness.
ECO CONSCIOUS FORMULA - Protects your toilet tank parts while fighting stains—safe for your plumbing and the planet.
EFFORTLESS CLEAN EVERY FLUSH - Automatically releases cleaning solution with each flush for spotless bowls.
STAIN FIGHTER TANK PROTECTOR - Powerful bleach action targets stains without damaging internal toilet components.

The Fluidmaster 8302P8 Replacement Part is a two-pack refill cartridge system designed to automatically clean your toilet bowl with every flush. Its eco-friendly bleach formula fights stains effectively without harming toilet tank components, providing up to 6 months of hands-free cleaning. Easy to install and maintain, it ensures a consistently fresh and hygienic bathroom experience.

Have a Question? See What Others Asked

What is the difference betwee the Fluid Master Flush and Sparkle 8100 and 8300P8 models?

Is the cartridge supposed to sit above or below the water line of the tank, or doees it matter?

Is this product safe for septic systems? I mean, will it kill all the good bacteria in the septic tank?

Is the cartride supposed to sit above or below the water line of the tank, or does it even matter?

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