Measuring Guide: 2ml/L without professional tools | AgriHome Blog

Quick Summary (TL;DR)

Overdosing your plants with chemicals leads to “Leaf Burn” (phytotoxicity). To measure exact doses like 2ml per liter without professional lab tools, use a cheap 5ml medical syringe from any pharmacy, or use the inner ring of a standard cold drink bottle cap (which holds exactly 5ml).

The Danger of Guesstimating Chemicals

When the instructions say “2ml per Liter,” pouring a “splash” of chemical directly from the bottle into your sprayer is a recipe for disaster. If the mixture is too strong, the chemical will literally burn the edges of your leaves, turning them brown and crispy overnight.

Method 1: The Syringe Method (The Best Way)

The cheapest and most accurate way to measure liquid chemicals like Monocil or Tafgor is to buy a standard 5ml plastic syringe from any local pharmacy (without the needle attached).

Dip the tip of the syringe into the chemical bottle.
Pull the plunger back exactly to the 2ml line.
Inject the liquid into 1 Liter of water.
Wash the syringe thoroughly after use and store it safely with your garden supplies.

Expert Tip

Method 2: The Bottle Cap Trick
In an emergency, if you do not have a syringe, use a standard plastic water bottle or cold drink bottle cap. A standard sized cap holds exactly 5ml of liquid when filled to the brim. Therefore, slightly less than half a cap equals 2ml!