Question 1

Does this also work on soap scum buildup?

Accepted Answer

I'm not sure, but I can guarantee it works. And what we love the most is that for many days, the water on your shower beads up. But our shower has never gone back to the scum and cloudiness it once had. My daughters shower was worse than ours and she is hooked too. The first time you need to rub hard and possibly repeat over a couple of times to get the glass clean. Then from there on, it's simple to stay clean. I don't know anything about this company. I was researching for an answer and after about 2.5 hours, I found this product and read the ratings. I'm sold. We have used it for about 7 months....will not ever use any other product.

Question 2

Has anyone tried CLR bio-clean on metal sinks & had any success? I've tried at least 10 cleaners incl. vinegar, lemon/baking soda, etc.

Accepted Answer

Hello Beth, I have a 12 yr. old stainless steel sink and hard water.  I have always cleaned the sink with dish liquid and a teflon-safe scrubbing sponge and it has done a good job except for a few rust stains (left behind by old utensils).  After receiving notification of your question, I decided to test the CLR bio-clean on my sink.  Results: no stains!  So my answer is "yes, it works".  Hope this test is helpful to you!  Marilyn

Question 3

Has anyone used this on tile to remove hard water buildup in the grout lines?

Accepted Answer

I used this to remove acid water spots on my car windows and it worked great.  I does take some elbow grease in rubbing to remove spots but works great and has a pleasant smell.

Question 4

What's the difference between crl bio clean and the bio clean in the green bottle?  Which one works better?

Accepted Answer

I don’t know about the green bottle but the CRLaurance works great.

ASIN	B00494PJLS
Best Sellers Rank	#72,771 in Health & Household ( See Top 100 in Health & Household ) #13 in Household Soap Scum Removers
Brand Name	C.R. Laurence
Contains Liquid Contents?	No
Customer Reviews	4.4 4.4 out of 5 stars (876)
Included Components	1
Item Form	item_form
Item Volume	473 Milliliters
Item Weight	1.5 Pounds
Manufacturer	C.R. Laurence
Material Features	material_feature
Model Number	WSR1
Number of Items	1
Part Number	WSR1
Scent	Unscented
Size	16 Fl Oz (Pack of 1)
Special Features	tool
Specific Uses For Product	tool
Surface Recommendation	surface_recommendation
UPC	658294304047 703570504625
Unit Count	16 Fluid Ounces

CRL Bio-Clean Water Stain Remover - 16 oz Bottle

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