Question 1

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

Accepted Answer

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.

Question 2

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

Accepted Answer

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.

Question 3

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

Accepted Answer

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.

Question 4

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

Accepted Answer

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.

ASIN	B000CSR6KC
Best Sellers Rank	#6,360 in Health & Household ( See Top 100 in Health & Household ) #49 in Household Toilet Cleaners
Brand Name	Fluidmaster
Cleaning Agent Formulation	Disinfectant
Container Type	Bleach Cleaning Refills
Customer Reviews	4.6 4.6 out of 5 stars (5,855)
Global Trade Identification Number	00039961830203
Included Components	Plumbing Fixtures; Toilets and Bidets;toilet-and-urinal-parts
Item Form	Refills
Item Type Name	2PK TOILET CARTRIDGE
Item Volume	77.09 cubic inches
Item Weight	4.64 ounces
Manufacturer	Fluidmaster
Material Features	Unscented
Model Number	8302P8
Number of Items	1
Part Number	8302P8
Scent	Unscented
Size	2 Count (Pack of 1)
Special Features	Low Odor
Specific Uses For Product	Toilet
Surface Recommendation	Toilet
UPC	039961830203
Unit Count	2 Count

Flush 'n Sparkle Bleach Toilet Cleaner Refills, 2-Pack | Two bleach refill cartridges, Up to 6 months total cleaning, Installs in about one minute, Won’t harm tank parts

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