Hydrofarm Bug Shield, 8" Ona Products You don’t need any fancy

You don’t need any fancy meter for that—it’s visually apparent

They're truly one of the best stakes for supporting growing plants

When the pre-filter becomes visibly dirty and discolored after several weeks

Applied as a foliar spray

“It’s easy to tell when your plants are supercharged

Hydrofarm Bug Shield, 8" Ona Products You don’t need any fancyBlock the bugs and so much more! Our Bug Shield plastic mesh bug screen catches insects of all kinds, as well as stopping potentially damaging fungal spores. Use it on your fans and ducting, as it is suitable for both intake and exhaust purposes. The Bug Shields feature washable materials, an elasticized opening, and an adjustable drawstring to seal off a perfect fit.