Perlite Non Return Valve Planting season: Early crop March

Planting season: Early crop March to April

Seeds will germinate with in 5-8 days

Add a bit of Epsom salt

round red color tomatoes

Perlite Non Return Valve Planting season: Early crop MarchPerlite is an excellent additive for potting mix & hydroponic media. It is another light weight substance, made by heating amorphous volcanic glass to a high temperature which pops up to a porous substance that is very good in aeration and improves drainage. It occurs naturally and has the unusual property of greatly expanding when heated sufficiently. It is an industrial mineral and a commercial product useful for its light weight after processing.