Which is better for houseplants on a shelf?

The Vita. It fits a standard lamp, runs at 20W, and its warm white light suits a living space. The SF4000 is a 6.38 kg panel built for a tent.

Can the Vita replace the SF4000 for flowering?

No. At 25.95 μmol/sec PPF the Vita is a supplement for foliage and herbs. The SF4000 puts out roughly 1,200 μmol/sec and covers 5x5 ft in flower.

Is the SF4000 worth $35 more than the Vita?

Yes if you grow in a tent or through a full cycle. At $109.99 versus $75.00 as of November 6, 2026, the SF4000 gives far more light per dollar. For one lamp, the Vita is the cheaper buy.

Soltech rates the Vita at up to 7 years at 12 hours a day. Spider Farmer lists 5,000 hours for the SF4000, which is under two years at 12 hours a day. Treat the Vita's figure as the stronger claim.

The SF4000. It has no fan and relies on a passive aluminum heat sink. The Vita is also fanless, so both are silent.

Which costs more to run?

The SF4000. It draws about 456W against 20W for the Vita, so roughly 23 times the electricity for the same hours.

Soltech Vita Grow Light vs Spider Farmer SF4000 LED Grow Light

Buy the Vita Grow Light for a single houseplant shelf or a lamp you want to look good in a living room. Buy the Spider Farmer SF4000 for a real grow space, a tent, or a full seed-to-harvest cycle. The Vita is $75.00 at Nature House and the SF4000 is $109.99 at Spider Farmer US, both as of November 6, 2026. The SF4000 costs about $35 more but delivers roughly 18 times the light output.

Today the Soltech Vita Grow Light costs $34.99 less at its best price.

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