NT LABS Pond Barley Straw (2pcs) (long term algae remover)

Description

When to use :
Barley straw pouches are effective against green water algae and blanketweed, harmless to pets, wildlife and ponds. Each pouch will last estimated for 6 months
How to use :

Place on surface near moving water.
Attach string and pull to surface twice monthly.
Replace every 6 months, only remove old pouch one month after replacing with new to ensure continuous control.

1straw pouch treat 3500L , 2 straw pouch will treat 7000L

Using NT Labs Barley Straw in Singapore Ponds

Outdoor ponds in Singapore sit in strong, near-vertical sun for much of the year, so green water and stringy blanketweed bounce back fast once the rains warm everything up. Barley straw works slowly and gently as it breaks down, helping suppress those algae types without the dosing precision of a chemical treatment. That gradual action makes it a sensible fit for koi ponds and garden water features where you’d rather not risk shocking fish or beneficial bacteria with a sudden swing.

For best results in our heat, place the pouch where there’s good flow, near a fountain or pump outlet, so oxygen keeps the straw decomposing and the active compounds disperse. Because it acts over weeks rather than days, treat it as long-term maintenance alongside good practice rather than an emergency fix. Two pouches cover larger volumes, and overlapping a fresh pouch with the old one keeps protection continuous through the cycle.

See our full algae control selection for complementary options, and if your pond has tipped fully green our green water causes and fix guide explains the root triggers. Keepers battling stringy growth will also find our pond aeration guide useful.