Stock Dilution Calculator Ppm

This is a great product with a long shelf life, both the working dilution and the stock solution. I store the stock solution in a vacuum bottle for longer storage.

The 10 stop filter is simple to use with the long exposure calculator.

Photography in a dark room. Love the calculator being available at all times

[This review was collected as part of a promotion.] Scan up to 35 ppm/70 ipm with the fast Epson WorkForce ES-500W II wireless duplex document scanner with 50-sheet auto document feeder. You can use it for a home office or the comfort of your home. Good quality works with my Microsoft windows, easy to work with . Totally recommend.

[This review was collected as part of a promotion.] Gorgeous, high-tech, simple, super fast, and practical. These are the words that come to mind when I think about this printer. • Let’s start with this amazing Crystal clear 2.7 inch LCD ToughScreen Panel, which lets you control/navigate effortlessly through the functions of this amazing printer, which you can print in rapid speed of 20 ppm in black and 10 ppm in color which is amazingly fast in my opinion. You can also scan, copy, and fax with automated 2-sided printing. Another great feature is the 35 Sheet auto document feeder that is truly a magnificent at saving time and making any job more practical. Also, the 225-sheet input tray Capacity is a dream come true and you can't forget the simple HP APP that lets you Print, scan, copy, or fax right from your smartphone. • After considering all the features my absolute favorite has to be the ability to Subscribe to Instant Ink delivery service to get ink delivered directly to your door before you run out and never worry about running out of ink in the middle of a important project and losing time and money running trying to purchase the correct ink. It's been an absolute game changer!

[This review was collected as part of a promotion.] The HP OfficeJet Pro 9125e All-in-One Printer is a great choice for home offices and small businesses that need a versatile and reliable printer. It can print, scan, copy, and fax, and it does all of these tasks well. It's also a good looking printer compare to other ugly ones in the market. The print quality is excellent, both for text and for color graphics. The printer is also very fast, with print speeds of up to 22 ppm for black and 18 ppm for color. One of the best things about the HP OfficeJet Pro 9125e is its ease of use and mobile phone connectivity. It is very easy to set up and use, even for those who are not very tech-savvy. The printer also comes with a variety of useful features, such as automatic duplex printing and scanning, a 250-page input tray, and an automatic document feeder. I would definitely recommend this printer to anyone looking for a versatile and reliable all-in-one printer.

Fast printer, copier and scanner, 42 ppm. So far works great. Anticipate that it will out perform the 10 year old - 60,000 pages later work horse and still working, previous Brother DCP 8045D that I owned.

This calculator is beautiful, stylish and perfect. Item exceeded my expectations. I would purchase again.

The new formula worked just as good if not better than the old one. I did dilution B with the old times (5 min at 68 F) and it worked great.

I have been using this and developing in HC-110 (E dilution) with superb results. This may be my favorite film.