Seed Shelf Lights

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Seed starting shelf gear shortlist

A short list of products that match the specifications in our guides. They are chosen from published specifications, not from testing.

How to read this page. We have not used these products. The details below come from the manufacturers' own pages on the date shown. Prices change, so check the current listing. There are no affiliate links on this page yet. See how we pick products.

Light bars

Barrina T5 20W LED grow light, 4 ft, 5000K (ML20)

  • 20 W, 4 ft, 5000K, linkable up to 8 lamps in series, 120 degree beam angle.
  • Each light has its own on/off switch. The 8-pack lists power cords with switches and connecting cords. No timer is mentioned.
  • The page gives no lumen figure. It mentions "High PPFD" without a number, so the brightness is not stated.
  • Fit: two bars give 40 W over a 48 x 24 inch shelf by our planning rule. See the 4-foot shelf page.

Manufacturer page

Barrina T5 20W LED shop light, 4 ft, 5000K, 2200 lm (AAL20)

  • 20 W, 4 ft, 5000K, 2,200 lumens, linkable.
  • Stated lumens make it easier to compare with the 2,000 to 3,000 lumens guidance in the shop lights page.

Manufacturer page

Hydrofarm Jump Start T5 fixture with lamp and timer, 4 ft (JSFS4T)

  • A 4 ft T5 fluorescent fixture sold with a lamp and a timer.
  • Fluorescent tubes follow the closer hanging distances in the distance guide. Illinois notes that tube output declines with use.
  • Check the listing for the tube wattage and lumens before you buy.

Manufacturer page

Heat mat with thermostat

VIVOSUN seedling heat mat and digital thermostat combo, 10 x 20.75 in

  • Mat sized for one 1020 tray. The same listing offers 20 x 20.75 and 48 x 20.75 inch mats.
  • Mat warms to around 68 to 86 degrees F. The controller is adjustable from 68 to 108 degrees F and has a sensor probe.
  • Says it meets MET standards. The listing gives inconsistent warranty wording (one year in the description, two years in the specifications), so read the current terms.

Manufacturer page. More in the heat mat guide.

Still to add

Wire shelving, 1020 trays with domes, a timer and a small fan are the other pieces of a shelf. They will be added when specifications have been checked for each.

Specifications read from the manufacturer pages on 2026-10-14.

Sources