Insta Starver or Phosphate Test Strips 50 Pack


Optional Extras

Insta Pro Phosphate Low Range test strips measure the Phosphate levels from 0, 100, 200, 300, 500, 1000, and 2500 ppb. The Phosphate test strip is a reagent-delivery style strip with results in 15 seconds.

Insta Pro Phosphate Test Strips

  • 50 test strips
  • Comes with a test tube
  • Fast and accurate results in 15 seconds
  • Tells you if you have a phosphate problem in your pool or spa

How to use Insta Pro Phosphate Test Strips

Fill test tube to 10 mL line. Remove one test strip from bottle. Close bottle cap tightly after removing strip.
Gently bend strip in half (do not fold) with pads facing inward.
Place strip inside test tube cap (as shown).
Cap test tube and invert slowly 5 times (invert the tube slowly to allow the bubble to go from the top to bottom and bottom to top).
Remove cap and test strip.
Place bottom of test tube on white boxed area of colour chart.
Look down through OPEN test tube (as shown) and compare to colour chart

Phosphate colour chart

Use Starver M to remover phosphates on a regular basis.

For very high phosphate levels you will need Starver X

 When purchasing, tap the edit cart link to see what freight you pay



Be The First To Review This Product!

Help other Direct Pool Supplies users shop smarter by writing reviews for products you have purchased.

Write a product review

We Also Recommend

Others Also Bought

Phosphate Remover 2.5L

Phosphate Remover 2.5L


Life Spa Booster Seat

Life Spa Booster Seat


Life Spa disc

Life Spa disc





More From This Category