seed planting & propagation
seedling propagation with artificial heating
How to make an aquarium heater
two seedling tray propagation box - large images
Large photo of a stackable crate with a piece of wood across the centre.
The crate with the piece of timber in place across the centre.  The top side of the wood is just below the lip of the crate level with the internal ridges.

The screws holding the piece of wood in place.

Screwing the frame together with right angle clamps.

Large photo of an aquarium heater propagation tray with frame.
The top frame in place with detail of the rubber seal displayed as an insert .

PAGE CREATED  2015-10-22  Updated 2016-08-03