A float switch is a device used to the standard of liquid in a tank to measure. The switch can a pump, a indicator, an alarm to operate, or other device.It slightly from normal open, normal close to invertin the float.Into Note: Because the...

£5.71
 
See Special Price

A float switch is a device used to the standard of liquid in a tank to measure. The switch can a pump, a indicator, an alarm to operate, or other device.It slightly from normal open, normal close to invertin the float.Into Note: Because the...

£5.71
 
See Special Price
31H2aZGe-2BjL

Wide Range adhesive backed Liquid crystal vertical thermometer for all types uses, including room thermometers, fish enclosures. Scale from 0°C to 75°C, with easy to read liquid crystal colouring. Just peel off the paper backing and apply to a...

£2.45
 
See Special Price
41DtYtWdO4L

Dosage :- 1ml / 10 litres will add 10 ppm NO₃ & 6.3 ppm KTypical Target :- 5-30 ppm NO₃ Signs of Nitrogen Deficiency - Usually in old leaves - Stunted growth, leaves turn yellow and die off. Supplement will raise Nitrogen (Nitrate) levels in...

£10.75
 
See Special Price
41K3WLZKW9L

Dosage :- 1ml / 10 litres will add 1.0ppm PO₄ and 0.4ppm KTypical Target :- 1-3ppm P Signs of Phosphorous Deficiency - Usually in old leaves - Stunted growth, dark leaves - some may turn red or purple. Signs of Green Spot algae can also occur...

£10.75
 
See Special Price
416QcftbRFL

Dosage :- 1ml / 10 litres will add - 0.2 Fe, 0.04 Mn, 0.01 Cu, 0.02 B, 0.03 Zn, 0.004 Mo (ppm). Signs of Trace Deficiency - Often in both old and new leaves - The signs will vary depending on the element making it difficult to identify, but often...

£10.75
 
See Special Price