Plant Magic Feed Chart
Plant Magic Coco Essential is Coco A+B mixed every week, topped up with Root Stimulant, MAGNE Cal+, Boost and PK 13/14 as the cycle moves through bloom. The chart below is Plant Magic's own schedule, with the target EC on every week. Underneath it, our free calculator fits it to your pot size, plant count and cycle length, and works out exactly how much you need to buy.
Build my Plant Magic Coco chart →
The Plant Magic Coco Essential feed chart
Millilitres per litre of water. Veg here is four weeks and flower nine, which is the commonest UK cycle. If yours is longer or shorter, the calculator fits the same schedule to it rather than simply running out.
Swipe the chart sideways to see every week.
| Week | Root Stimulant | Coco A+B | MAGNE Cal+ | Boost | PK 13/14 | Target EC |
|---|---|---|---|---|---|---|
| Veg week 1 | 2.5 | – | – | – | – | 0.8 |
| Veg week 2 | 2.5 | 2 | – | – | – | 1.0 |
| Veg week 3 | 2.5 | 2 | – | – | – | 1.2 |
| Veg week 4 | 2.5 | 2 | – | – | – | 1.2 |
| Flower week 1 | 2.5 | 3 | 0.5 | 2 | – | 1.4 |
| Flower week 2 | 2.5 | 3 | 0.5 | 2 | – | 1.4 |
| Flower week 3 | – | 4 | 0.5 | 2 | – | 1.6 |
| Flower week 4 | – | 4 | 1 | 2 | 1 | 1.6 |
| Flower week 5 | – | 4 | 1 | 2 | 1.5 | 1.8 |
| Flower week 6 | – | 4 | 1 | 2 | 2 | 2.0 |
| Flower week 7 | – | 4 | 1 | 2 | 2 | 2.2 |
| Flower week 8 | – | 4 | 1 | 2 | 2 | 1.8 |
| Flower week 9 | – | – | – | – | – | 0.6 |
Week 9 of bloom is a flush — no feed, though Plant Magic's own chart still prints an EC of 0.6 for it. Evolution 2.0 is on the printed chart too, but only as “spray 1–2 times a week, as needed” with no tank rate, so there is nothing to cost and it is left off the table above.
What a full Plant Magic Coco run costs
For a common UK setup, nine plants in 3 gallon coco bags, four weeks of veg and nine of flower, the whole cycle comes to about £181.65 across 5 products, mixing roughly 1,500 litres of feed.
The single biggest line on that bill is Plant Magic Boost at around £86.85. That is worth knowing before you order, because it is usually the bloom additives rather than the base A+B that decide what a run costs.
The calculator prices your actual grow rather than this example, and prices the other seventeen brands alongside it, so you can see what you are paying for.
Price my Plant Magic Coco run →
Which Plant Magic line should I be on?
Coco Essential is built for coco coir. Plant Magic also publish a Hydro Essential chart for rockwool and recirculating systems, a Soil Essential chart for mineral soil growers, and Old Timer — their organic range, for growers who want a soil-only, organic-input feed rather than a mineral one.
- Plant Magic Hydro Essential — one Hydro A&B the whole way, for inert media and recirculating systems, topped up with the same Root Stimulant, MAGNE Cal+, Boost and PK 13/14 as Coco Essential.
- Plant Magic Soil Essential — Soil Grow through veg and the first bloom week, then Soil Bloom for the rest, with the same additive band as Coco and Hydro.
- Plant Magic Old Timer (organic) — Plant Magic's organic range: Old Timer Organic Grow into Organic Bloom, finished on Old Timer PK 4/8. Its flush week is genuinely feed-free — water only, no EC printed for it, unlike the other three charts.
The calculator only ever lists the lines that suit the medium you pick, so you cannot accidentally run a soil chart in coco.
What you need for a Plant Magic Coco run
- Plant Magic Coco A+B
- Plant Magic Root Stimulant
- Plant Magic MAGNE Cal+
- Plant Magic Boost
- Plant Magic PK 13/14
Or let the calculator work out the sizes and quantities for your own grow and put the lot in your basket in one click.
Open the Plant Magic calculator →
The Hydro Bros is not affiliated with, endorsed by or approved by Plant Magic. The figures above are transcribed from Plant Magic's own published feed charts. They are a starting point rather than a prescription: read your own runoff and your own meter, and adjust to your room.
