Philips Son-T PIA Plus HPS Bulbs Zilla Range PK 13/14 is suitable for

PK 13/14 is suitable for any growing medium

not a primary source of calcium or magnesium

Probe care instructions

Will Growth-XS help if I have slow or stalled plant growth

Philips Son-T PIA Plus HPS Bulbs Zilla Range PK 13/14 is suitable forPhilips SonT PIA Plus HPS Bulbs are a highperformance lamp engineered specifically for the flowering stage of plant growth. Built with tempered glass and a precisionfilled sodium discharge tube, it delivers a strong reddominant spectrum that supports robust bloom development. With a rated brightness of 89,000 lumens and an E40 socket, this lamp offers excellent energy efficiency, long service life, and reliable ignition thanks to Philips PIA (Philips