Description
Orthophosphate Test Kits
Orthophosphate Test Kits for testing residual of Orthophosphate in boiler chemicals.For cooling tower chemical testing, use TK9960-Z: 0 or 10 ppm as PO4.
TK9930-Z Directions:
1) Rinse and fill three times to 5 mL.
2) Add Mo Reagent (MO1460) to the 15 mL marker.
3) Add 2 scoops of SC7555 .
4) Place tube in the comparator.
Shipping and Transit Times
Stocked & Ships Daily from the SE part of the USA.
This product typically ships within 48 upon ordering.
If it must ship today, please indicate so in the notes section upon ordering. We will contact you.
Free shipping transit times map.
Notes:
- We can not ship to PO boxes.
- This map illustrates service schedules in business days as of March 2026 for FedEx Ground shipments.
- ChemWorld is not responsible for delays due to weather or Fedex transit issues. Please take this into account when ordering.
Overnight / Expedite Shipping:
- Orders must be received by 9am EST.
Directions for Expedite Shipping:
- Must order by 9am EST.
- Order as normal through the website.
- If you have a Fedex Account number, enter it in the notes section during ordering with your exact shipping requirements (Next Day 8:30, Next Day 10:30, Next Day 20:00, Fedex 2 AM, or Fedex Express Saver). You are done. We will email you ASAP.
- If you do NOT have an Fedex Account number, we offer overnight delivery for this product. Enter your order as normal and enter your 3 or 4 digit security code in the notes section with your shipping requirements. You are done. We will email you ASAP.
If it is later then noon EST, email us at sales@buychemicalsdirect.com with your request .We will contact you ASAP. You can also call in the order at 800-658-7716 and reference exactly what you need. We will contact you.