Question 1

Are there any markings on the tube: that indicate how much water i can safely add?....or do i still have to guess how much waters in the tank.

Accepted Answer

There are NO markings on the sight glass tube....However this is how I solved your problem. What I've done is take a black permanent marker and put lines on the sight glass housing in 1/2 inch increments starting 3/4 inch below the top rounded opening of the sight glass.  At the top line mark "F"  meaning full. Every 1/2 inch increment equals 1 cup of water. If the water is down 5 marks add 5 cups of water.to the upper reservoir. If you mark your sight glass like this you won't be guessing how much water to refill. KEEP IN MIND...I have a TRAVEL BERKEY. The Big Berkey and other Berkey sizes will probably have different inch marking increments...such as 3/8 inch per 1 cup of water. You should put masking tape on the sight glass housing and get accurate increment measurements before using the marker on the aluminum.    Good luck and have a great day.

Question 2

Is the plastic BPA free?

Accepted Answer

Most people don't realize that anything that says "BPA Free" has been replaced with BPS, which is 10 times more toxic than BPA ever was.  When people discovered that BPA was bad, they stopped buying plastics and canned goods.  Manufacturers were already using the least toxic of chemicals in the can liners etc and that was BPA.  Manufacturers felt forced to remove it to appease people.  But what people are getting in return is way worse.

Question 3

Does this include the washers and nuts for mounting?

Accepted Answer

Yes, it does. The spigot itself is larger than the one that comes on the Berkey (so the water comes out faster which is nice) so it comes with it's own washers and nut.  It's a worthwhile addition...

Question 4

I am looking to buy big berkely with  boroux stainless steel spigot ,and glass water level spigot alterations? how and what to do?

Accepted Answer

If you  have a Berkey container just unscrew the old one and insert the new one. If you are making your own water filter from a pot just drill a hole and insert the new spigot,  it comes with a rubber seal. Takes two minutes.

ASIN	B00BWIX0JW
Best Sellers Rank	#241,599 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #401 in Water Dispenser Replacement Parts
Brand Name	Berkey
Customer Reviews	4.4 4.4 out of 5 stars (1,376)
Global Trade Identification Number	00199284940758
Included Components	Spigot, 2 washers, wing nut
Item Dimensions D x W x H	7.5"D x 7.5"W x 7.5"H
Item Weight	4 ounces
Manufacturer	Berkey
Manufacturer Part Number	BER-WVS7
Material Type	Glass, Plastic, Stainless Steel
Model Number	SG-7.5
Number of Items	1
Number of Packs	1
Product Benefits	Allows instant water level reading, prevents overfilling, easy to install and clean.
UPC	885148398963 735090405908 199284940758
Unit Count	1 Count

7.5 Inch Sight Glass Spigot for Travel and Big Berkey Gravity Fed Water Filter Systems—See Your System's Water Level Instantly

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