How to dose GH/KH properly?

[martinmin]

I am using AquaVitro GH and KG. The dosing instruction says that: 

 

"Add 5ml (1tsp)" for every 10L (2.5 gallons) of water once a week as needed. The cap of the bottle doesn't have an indication of how many MLs it is. How can I measure 5ml or 1tsp? 

 

[Pepere]

The most convenient tool to use will really  on how many gallons you are treating.  5 mls for every 2.5 gallons..  25 gallons will need 50 mls.  
 

If I am measuring 5 mls of liquid product, a syringe is awfully hard to beat for ease and accuracy.

With larger volumes a graduated cylinder would be more convenient.

[martinmin]

On 6/18/2023 at 2:49 AM, Pepere said:

The most convenient tool to use will really  on how many gallons you are treating.  5 mls for every 2.5 gallons..  25 gallons will need 50 mls.  
 

If I am measuring 5 mls of liquid product, a syringe is awfully hard to beat for ease and accuracy.

With larger volumes a graduated cylinder would be more convenient.

Yes, I have a syringe but don't have a long needle. Why doesn't the bottle cap have the measurements? 

[Pepere]

On 6/18/2023 at 10:40 AM, martinmin said:

Yes, I have a syringe but don't have a long needle. Why doesn't the bottle cap have the measurements? 

You can stick a length of airline tubing on the end of the syringe to get to the product. That is much safer than a long needle.

As to the bottle cap, you would have to direct that question to the manufacturer.