EHG Starter Pack – Grow, Micro, Bloom, Ph Up and Ph Down 1 L – 5L


This combo includes Grow, Micro Bloom, Ph Up and Ph Down for a complete Nutrient and water solution.

Please see Options:  Beginner or Expert ( Expert includes 1L Ripener)



Most crops will auto-flower when they have reached the right age and size.

For large plants switch to MICRO and GROW only when the roots are well established.

At the first sign of flower buds, switch to MICRO and BLOOM only.

(For smaller plants the MICRO/ GROW only step can be omitted.)

Vegetable greens and herbs which are not being grown for flower or seed don’t need the flowering feed stage. Simply follow the normal program with equal parts GROW, MICRO and BLOOM until your plants are growing strongly
and have a well-established root system.

Switch to MICRO and GROW only and maintain the correct Ph and EC for the life of the plant

EHG Ph up and Ph down are cost effective solutions to keeping your Ph at the required levels.

They are concentrated solutions and more effective than most other Ph control products on the market.

Add relatively small amounts at a time to bring your reservoir to the required level. With practice you will have a fairly good idea of how much Ph up or down is required.

Using EHG nutrients as per the nutrient guide will generally drop water from a neutral Ph of 7 to a Ph of around 6 which is ideal for many plants.

The correct Ph value at which various plants prefer to be grown is determined by the elements which are most important to their growth. It is therefore very important to keep your nutrient solution in the correct range, particularly when growing hydroponically.

Growing in soil is more forgiving but generally better results will be achieved when plants are fed at the
correct target Ph.

In recirculating hydroponic systems (ie. where the nutrient solution is fed back to the reservoir) the Ph will change and must be maintained at proper levels. As the plants absorb either positively or negatively charged ions from the nutrient solution they balance their internal chemistry by releasing either an H+ or an OH- ion to compensate.

Thus the Ph level of the nutrient solution will change constantly depending on what nutrients are being taken up by the plant at any particular time. (Buffering is never completely effective and there is no substitute for proper Ph control.)

HdGrowLights Nutrients
HdGrowLights Nutrients – Ph Management info

As can be seen from the table above various macro and micro nutrients become more readily available to plants at different Ph levels.

(The higher the Ph value, the greater the concentration of OH- ions and the more alkaline the nutrient solution. At a lower Ph value there is a higher concentration of H+ ions and the solution is more acid.)


Get an EC meter and pH meter to ensure the correct pH and Ec for the life of the plant. Contact us for more details.

Please find some quick guides below for more information:

1. Nutrient-Guide for Flowering

2. Nutrient Guide for Non Flowering plants

3. PH-and-EC-Values

Additional information


Beginner, Expert


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