Hy-Gen PH Up 250ML LAMPS Monster Grow ensures your plants

Monster Grow ensures your plants are strong and vigorous heading into flowering

durable polyester film

65m  9 + 13 mm  5h x 4

Using a fan speed controller to lower the inlet or outlet fan's speed can be a simple fix for the issue and keep your grow room's temperature higher

Additionally

Hy-Gen PH Up 250ML LAMPS Monster Grow ensures your plantsHY GEN pH UP contains a 45% solution of potassium hydroxide, which can be added to your growing system to RAISE the pH. Its recommended to make up your nutrient solution first and allow it to equilibrate. This can take up to 60 minutes depending on the size of your tank. Always add the required amount of pH UP to a small separate container of water and mix well before adding to your nutrient tank. Use pH UP every time your pH is too low. Adjust the pH