Secret Jardin DP90 R4 Hanna Instruments Perlite is a highly absorbent

Perlite is a highly absorbent expanded volcanic glass and works well as both a media additive to improve aeration

and bountiful harvests with the RAM CO2 Monitor and Controller – the ultimate solution for hydroponic enthusiasts everywhere

vigorous leaf development

Compatible with various dosing systems including Dosatron

apply from the vegetative stage until the end of week two in the bloom/flowering cycle

Secret Jardin DP90 R4 Hanna Instruments Perlite is a highly absorbentThe DP90 R4. 00 Grow Tent from Secret Jardin measures 90cm long by 60cm wide by 98 cm high. This is the Revision 4 model it doesnt feature any ducting socks straight out of the box, instead, it is sold with the necessary equipment to create two 100mm vent holes in the walls of the tent wherever suits; also included is a 1 X 100mm flange to create an exhaust vent and 1 X light baffle to create a passive air intake. Please see videos in FAQs below if