NOT SURE I CAN GROW HC OR GLOSSCO. I HAVE 96 LITRE TANK WITH 2 36WATT U SHAPED BULBS, THEY ARE DAY LIGHT TUBES SO HALF BLUE HALF DAYLIGHT. IM RUNNING DIY CO2 AND IM GETTIN ABOUT 1-2 BPS, BUT ONLY LASTS A WEEK IF IM LUCKY. I HAVE JBL AQUABASE UNDER GRAVEL FERT CAPED WITH PEA GRAVEL, MY HAIR GRASS DOES SEEM TO GROW ANY THING I CAN TRY ( I DONT DOSS ANY THING AND ALSO CHANGING THE LIGHT BULBS TO 100% DAYLIGHT TUBES WHICH ARE 4500K)