What are the instructions for use on the bottle? Please advise! Thank you.

pour half of the bottle in the tank leave over night if desired wash down sides

Can this be used when you have a septic field?

According to the Scotch help line at 800-613-4242 Claire said it is safe for septic systems. You can find more cleaner info at http://www.scotchcorp.com/products.html

Will it harm the moving parts or rubber in the tank?

No, it will not harm the moving parts or rubber in the toilet tank. Rather, it removes mineral deposits from the moving parts and prolongs the life of the toilet components. It is a great product. I use it in the two toilet tanks in my home once a month and the tank and components stay clean and work well. Be sure to read the information on the label and follow the instructions. Easy to use, and keeps the toilet tank clean and working well.

has anyone put this directly in their toilet bowl to remove hard stains

Yes, with limited success. The problem is that the mineral stains are at the waterline, and thus aren't in full contact with the cleaner. I even stirred the water around over the stains and left it overnight, but had only minimal improvement. I've found pumace stone works best for removing hard stains, but you have to scrub.

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Instant Power Toilet Tank Cleaner & Hard Water Stain Remover, 1 lb

Instant Power Toilet Tank Cleaner & Hard Water Stain Remover, 1 lb

Product ID: 3456182

Details

Brand
Instant Power
Item Form
Powder
Material Feature
Recyclable
Scent
Unscented
Specific Uses For Product
Toilet

⏳Overnight stain removal

⚡Powerful citric acid formula

🛡️Safe on pipes & toilet components

13531CFA

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Description

🚽 Power up your clean game—because your toilet deserves the best!

TRUSTED PROVEN - Top-ranked with 4.3 stars from over 10,000 users—clean smarter, not harder.
PIPE SEPTIC SAFE - Harsh chemical-free formula that’s gentle on plumbing and eco-friendly.
ODOR FREE FRESHNESS - Eliminates odors with every flush, leaving a subtle citrus scent.
PROLONGS TOILET LIFE - Protects internal parts by removing damaging calcium and rust buildup.
EFFORTLESS DEEP CLEAN - No scrubbing needed—just pour and relax while tough stains dissolve.

Instant Power Toilet Tank Cleaner is a 1 lb citric acid-based powder designed to effortlessly remove hard water stains, rust, and mineral buildup inside toilet tanks. Safe for pipes and septic systems, it protects toilet components while eliminating odors and leaving a fresh citrus scent. Highly rated and easy to use, it cleans overnight without scrubbing, extending the life of your toilet.

Specifications

ASIN	B00CH1E9L6
Best Sellers Rank	#9,134 in Health & Household ( See Top 100 in Health & Household ) #59 in Household Toilet Cleaners
Brand	Instant Power
Brand Name	Instant Power
Cleaning Agent Formulation	Hard Surface Cleaner
Customer Reviews	4.3 out of 5 stars 10,991 Reviews
Included Components	Instant Power Toilet Tank Cleaner
Item Form	Powder
Item Highlight	No-scrub citric acid powder descales, remove rust, calcium, limescale & mineral buildup, eliminates odors, pipe & septic safe
Item Type Name	Instant Power Toilet Tank Cleaner
Item Volume	1 fluid ounces
Item Weight	16 ounces
Manufacturer	Scotch Corp.
Material Feature	Recyclable
Material Features	Recyclable
Model Number	1806
Number of Items	1
Part Number	1806
Product Benefits	Eliminates Odors
Scent	Unscented
Size	16 Ounce (Pack of 1)
Special Features	Non Abrasive
Specific Uses For Product	Toilet
Surface Recommendation	Concrete
UPC	022798180603
Unit Count	16 Ounce
Warranty Description	Warranty

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13531CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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