Hydrofilm / Mylar White (5M/10M)

What is Hydrofilm / Mylar White and what sizes are available?

Hydrofilm / Mylar White is a 220-micron thick white reflective film designed to improve light efficiency and block light leaks in grow spaces. It comes in 5 x 3 metre and 10 x 3 metre rolls, covering 15 m² and 30 m² respectively.

Is Hydrofilm / Mylar White completely lightproof?

Yes, it's made for total light block-out and offers high reflectivity. Unlike shiny silver mylar, its white surface provides more even, diffused light without hot spots, even if there are minor wrinkles.

Where can Hydrofilm / Mylar White be used?

It's commonly used on walls, windows, floors, ceilings, and grow tents. Great for creating light-tight rooms, DIY grow boxes, propagation shelves, and drying areas. It can also serve as a light-blocking room divider.

How do I install Hydrofilm / Mylar White without damaging it?

Use strong tape (like foil HVAC or gaffer), Velcro, or battens to secure it. Staples can tear the film unless supported by a trim. Spray adhesive works but is messy and permanent.

Is Hydrofilm / Mylar White tear-resistant and reusable?

Yes, it's durable for a film and flexible enough to resist cracking. While sharp edges can cause damage, it's easy to reuse if removed carefully. Tears can be patched with foil or cloth tape.

Is it safe to use Hydrofilm / Mylar White near grow lights?

It’s safe when installed properly. Keep it away from direct contact with hot bulbs or ballasts to avoid melting. Off-gassing is minimal, but ventilate the space if you're sensitive to smells.

Can I clean Hydrofilm / Mylar White and reduce dust buildup?

Yes—wipe it gently with a soft cloth and mild soapy water. Avoid abrasive cleaners. Dust can reduce reflectivity, so occasional cleaning helps. To reduce static, lightly dampen the cloth and avoid rubbing it dry.

Is Hydrofilm / Mylar White easy to cut and seam?

Very—use scissors or a sharp blade for clean cuts. Overlap seams slightly to prevent light leaks, and seal with strong tape on one or both sides for maximum blackout.

Does Hydrofilm / Mylar White help increase plant yields?

It can boost efficiency by reflecting more light into the canopy, especially in dark or uneven spaces. While results depend on your setup, many growers see improvements in light coverage and plant performance.

Is Hydrofilm / Mylar White worth using in small grow setups?

Absolutely—if you're growing in a small tent, cupboard, or DIY setup with non-reflective surfaces, it's one of the easiest and most affordable ways to improve light efficiency and block leaks.

Can Hydrofilm / Mylar White be used on floors or ceilings?

Yes, but take precautions. On floors, use trays or mats to prevent slipping or wear. On ceilings, secure it well with tape or battens to avoid sagging or falling.

Can Hydrofilm / Mylar White be used outdoors?

It's designed for indoor use. Outdoor exposure to UV and weather can degrade the material quickly unless protected, so it's not recommended for permanent outdoor setups.

Can Hydrofilm / Mylar White be used for propagation or drying areas?

Yes—its reflective and blackout qualities make it ideal for building light-controlled environments for seedlings, clones, or drying. It’s easy to wipe clean between cycles.

Is Hydrofilm / Mylar White slippery when wet or in humid rooms?

It can be slippery when wet, so use caution in high-moisture areas. Add non-slip mats or trays where necessary to maintain traction and manage runoff safely.

Is Hydrofilm / Mylar White food-safe for growing edible plants?

It’s not certified food-grade but is commonly used as a barrier in grow areas for edibles. Avoid using it as a direct food prep surface and keep it clean if used near plants.