6 FERTIKIT USER MANUAL
SAFETY
When using acid/chemicals
ACID HAZARD
When using acid - always observe the acid manufacturer's safety instructions.
WARNING
Always use protective equipment, gloves and goggles when handling fertilizers, acid and
other chemicals!
WARNING
Exceeding the recommended acid concentrations will damage the dosing channels.
WARNING
Substances
such as chemicals for pest/disease control might be corrosive and damage the
FertiKit™ 3G. When using any substance
other than
fertilizers or acids not exceeding the
concentrations in the table above, always observe the manufacturer's instructions for corrosivity.
In case of any doubt, contact your Netafim™ local representative.
ATTENTION
When dosing acid, use a dosing channel fitted with the appropriate components according to
the type and concentration of the acid used*:
For pH correction For maintenance of drippers
Type of dosing channel
Diaphragm
and O-rings
Nitric
(HNO3)
Phosphoric
(H3PO4)
Sulfuric
(H2SO4)
Hydrochloric
(HCl)
Hydrogen
peroxide
(H2O2)
Chlorine (as
hypochloride)
For diluted acid EPDM <3% <85% <30% <10% <30% <1%
For concentrated acid Viton <40% <85% <90% <33% <50% <10%
% is by weight at 21oC (70oF)
*The table indicates the resistance of the dosing channel components to acid,
and is not a recommendation to use the acids mentioned.
CAUTION
There are fertilizer combinations that at high concentration might induce crystallization in the FertiKit's
lower manifold and cause clogging of the pipes.
Fertilizer combinations prone to induce crystallization:
•
Calcium Nitrate + Ammonium Sulfate => Calcium Sulfate
•
Calcium Nitrate + Potassium Sulfate => Calcium Sulfate
•
MKP + Calcium Nitrate => Calcium Phosphate
•
MAP + Calcium Nitrate => Calcium Phosphate
•
Phosphoric acid + Calcium Nitrate => Calcium Phosphate
When injecting these fertilizer combinations:
•
Make sure to dilute each fertilizers to the allowed concentration in the fertilizer tank prior to
injection through the FertiKit™.
•
Imediately after each injection of any of the fertilizer combination above, flush the FertiKit™ with
clean water for at least 2 minutes.
In case of doubt regarding the use of any
combination of
fertilizers, contact your Netafim™ local
representative.
