Loading... Please wait...

Algae Stopperz - Barley Pellets

From £11.99
  • Organic
  • Pesticide Free Algae Control
  • Easy to Treat Large Ponds

Barley Straw pellets for natural prevention of algae and blanket weed. No mess, no blanket weed or algae. 2.5 litres treats 9000 litres (2000 gallons)

Available in 2.5Kg

Find a retailer

Find your nearest stockist of NT Labs products.

Find my Nearest Retailer
Select Product Price Quantity
Product Reviews
Dosage / Volume Calculator
Product Tips & Advice

Write a Review

0 Reviews Write a Review

Dosage / Volume Calculator

  • Round
  • Tank
  • Oval
  • Kidney

Please enter the required dimensions


0 Litres
0 US Gallons
0 Imperial Gallons

Dosage Required*



Dosage Calculator

If you already know the volume please enter it below to calculate dosage*

Select Units

Enter Volume Calculate Dosage Required* gm

* Always follow the instructions on the label. This calculator is intended to be used only as a guide to how much product you need to buy to treat your system. It does not take account of displacement caused by shelves, rocks and ornaments etc. and does not include the volume of any external filtration system. NT Laboratories Ltd. will not accept any responsibility for inaccuracies or misuse of this guide.

Product Tips & Advice

Add early in the season before the algae starts to grow Spread all over the pond for best effect

You may also need...