GREENHOUSE AUTOMATIC VENT OPENER Roses Optimal pH is prerequisite for

Optimal pH is prerequisite for effective uptake of nutrients in to plants

bare root roses are available for pre-order from January to June

improves soil

Try any vegetable

Ideal for all flowering plants except natives and bare-rooted roses

GREENHOUSE AUTOMATIC VENT OPENER Roses Optimal pH is prerequisite forEnsures your greenhouse has the optimum ventilation automatically Ideal for Summer! European made and includes a 3 year guarantee Opens when it's hot & closes when it's cold Strong and durable Easy to fit with clear instructions Doesn't require batteries, A C or solar power, an internal wax expands and contracts as the temperature changes Glasshouse accessories take approximately 2 weeks to arrive after an order is placed.