Hydroponics
/ CHEOTIME
Cheotime Hydroponics
These blackout sleeves help indoor growers manage light exposure for plants in mason jars. Use these washable fabric bags to keep roots dark and protected
Best choice
The lineup
1 system on this hub
What stands out
Light blocking fabric
Opaque Oxford fabric prevents light from reaching roots.
Mason jar fit
Designed specifically for wide mouth mason jars.
Reusable material
The fabric is washable for use across multiple seasons.
First-hand
Notes from buyers
These sleeves fit my wide mouth jars perfectly and block all the light.
The Oxford fabric feels very sturdy and I like that I can wash them.
I use these for all my jar-based hydroponic plants.
Why it’s listed
Mason Jar Protection
These blackout sleeves fit wide mouth mason jars to create an opaque environment for roots. The Oxford fabric is durable and can be washed between uses.
- 12 piece sleeve set
- Wide mouth jar fit
- Opaque Oxford fabric
- Washable material
- Reusable design
Why these models
The set
This CHEOTIME set is built around CHEOTIME systems.
Materials and parts
Titles in this CHEOTIME set call out the build that shows up in Blackout sleeves for wide mouth mason jars.
Typical work
CHEOTIME systems is the split that matters in this CHEOTIME range.
Details that change
Use CHEOTIME systems to tell one CHEOTIME model from the next.
Quick answers
Cheotime Questions
How many sleeves come in a pack?
This set includes 12 individual blackout sleeves.
What material are they made of?
They are made of washable and reusable Oxford fabric.
What jars do they fit?
These are designed for wide mouth mason jars.
Are they lightproof?
Yes, the opaque fabric is designed to block light for planting.