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Mix, Hydro, and Fertigation

Both methods can yield well. Hydro is faster and tighter to manage. Fertigation sits in the middle.

hydro soil nutrients watering
Mix, Hydro, and Fertigation — Marijuana Grower's Handbook, page 490
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Tradeoffs

Both work

Mix and hydro can produce high yield if you keep the root zone in range

Hydro plus

Less hauling of spent mix, smaller pots, and often faster growth

Hydro minus

No organic buffer. You keep pH and strength right or the plant shows it quickly

Mix plus

Bark, coir, compost, and peat smooth peaks and troughs in the feed

Preference

Many connoisseurs still prefer organically grown flowers to hydro

What modern mixes contain

Inert base

Peat, bark, coir, rice husks, vermiculite, and perlite also appear in fertigation and hydro

Living extras

Compost, castings, guano, seed meals, rock dust, and animal meals can feed a month to six weeks

Mineral bags

Some mixes include soluble or time-release fertilizer meant to last months in a large pot

Shared rule

Roots still need enough volume to forage, even in a fortified bag

Fertigation

Hybrid

Ordinary pots of non-nutritive mix, watered by hand, drip, or capillary mat, with nutrients in the water

Why nurseries use it

Simple to build, easy to scale, and familiar pot handling

Media

Any inert mix works. Peat blends are common because they are cheap, buffer, and wick well

Watering

Peat and vermiculite-perlite need fewer irrigations than bare LECA or rockwool

Control

You still manage EC and pH, but the mix forgives small misses

Passive versus active hydro

Passive

Reservoir and wick systems move water by capillary action. No flood pump required

Active

Deep water culture, drip, ebb and flow, nutrient film, and aeroponics use a pump to refresh solution

Complexity

Harder hardware does not automatically mean bigger or better flowers

Order

Start with the simplest system that keeps roots wet, fed, and oxygenated