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LRrui-ph Test Strips PH Alkaline Short-Range 0.5-5.0 Indicator L


LRrui-ph Test Strips PH Alkaline Short-Range 0.5-5.0 Indicator L


Product description

80 Strips pH Alkaline Short-range 0.5-5.0 Indicator Litmus Paper pH Test Strips

1.Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.
2.Can not indicate the Acid or alkali solution when its density was lower than 0.01%.
3.Keep dry for the rest paper Package include: 1 set of 80 Strips pH test paper

LRrui-ph Test Strips PH Alkaline Short-Range 0.5-5.0 Indicator L


Your Donations Made These Exciting Live Broadcasts of our National Treasures Possible.




Welcome to the MESS: Maritime Research Center & Library Lecture Series

The MESS (Maritime Education for Students of the Sea) are informal lunchtime lectures during the last Thursday of the month meant to showcase a wide array of maritime knowledge, research and skills.

(Last Thursday of the Month at 11AM PDT)

Chantey Sing: A Virtual Concert with Singers from Around the World

Our popular monthly virtual chantey sing includes performer, both professional and amateur, from around the world.

(Every Third Saturday of the Month at 11AM PDT) 

SF Maritime Live: Virtual Ranger Tours of the SF Maritime Park

The Association and Maritime Park are excited to announce the launching of San Francisco Maritime Live (SML), which provides the public with live broadcasted ranger tours of the National Treasures of the San Francisco Maritime National Historical Park.

(Every Third Thursday of the Month at 11:00am PDT)




We Need Your Help!

USS Pampanito Restoration Phase II

Shapewear Bodysuits for Woman Breathable Tummy Control Bodysuit,


USS Pampanito Submarine at Pier 45
(Open Daily from 10am – 6pm)

SF Maritime National Historical Park

Please visit the Maritime National Park website for more information. 



Help Make a Difference!

Using living history and the authentic setting of historic ships, we provide today’s youth with the opportunity to build character, confidence, gain self-reliance, and learn the value of teamwork.

Kelly, a 5th grader who attended our Age of Sail program, had this to say about her experience:

“I really learned a lot on the ship, but I mostly learned how to work together even if you don’t like somebody. The thing that we had to do most was work together because if we didn’t we wouldn’t have got through it all.”

Thanks to your generosity and support, we can continue to complete critical preservation and restoration projects in and around the National Maritime Park, while also offering impactful, hands-on educational programs.

You are a part of our success! Give boldly and partner with us this holiday season in impacting the lives of our youth through historical preservation and innovative education programs like the Age of Sail program. Please consider contributing to our Annual Fund today with a tax-deductible donation.

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